forked from OSchip/llvm-project
[ARM][MVE] Reorg of the LV tail-folding tests
It was getting difficult to see which test was in which file, so this reorganises the test files so that now all filenames start with tail-folding-* followed by a more descriptive name what that group of tests check.
This commit is contained in:
Sjoerd Meijer
parent
31d71c69f1
commit
7ebc6bed84
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@ -113,32 +113,6 @@ for.body:
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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define void @unsupported_i64_type(i64* noalias nocapture %A, i64* noalias nocapture readonly %B, i64* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: unsupported_i64_type(
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; PREFER-FOLDING-NOT: vector.body:
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; PREFER-FOLDING-NOT: llvm.masked.load
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; PREFER-FOLDING-NOT: llvm.masked.store
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; PREFER-FOLDING: for.body:
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entry:
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br label %for.body
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for.cond.cleanup:
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ret void
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for.body:
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%i.09 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
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%arrayidx = getelementptr inbounds i64, i64* %B, i32 %i.09
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%0 = load i64, i64* %arrayidx, align 8
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%arrayidx1 = getelementptr inbounds i64, i64* %C, i32 %i.09
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%1 = load i64, i64* %arrayidx1, align 8
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%add = add nsw i64 %1, %0
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%arrayidx2 = getelementptr inbounds i64, i64* %A, i32 %i.09
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store i64 %add, i64* %arrayidx2, align 8
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%add3 = add nuw nsw i32 %i.09, 1
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%exitcond = icmp eq i32 %add3, 431
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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define void @zero_extending_load_allowed(i32* noalias nocapture %A, i8* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: zero_extending_load_allowed(
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; PREFER-FOLDING: vector.body:
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@ -195,39 +169,6 @@ for.body:
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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define void @narrowing_load_not_allowed(i8* noalias nocapture %A, i8* noalias nocapture readonly %B, i16* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: narrowing_load_not_allowed(
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; PREFER-FOLDING: vector.body:
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; PREFER-FOLDING-NOT: llvm.masked.load
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; PREFER-FOLDING-NOT: llvm.masked.store
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; PREFER-FOLDING: br i1 %{{.*}}, label %{{.*}}, label %vector.body
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; FOLDING-OPT: vector.body:
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; FOLDING-OPT: call <8 x i16> @llvm.masked.load.v8i16.p0v8i16
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; FOLDING-OPT: call <8 x i8> @llvm.masked.load.v8i8.p0v8i8
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; FOLDING-OPT: call void @llvm.masked.store.v8i8.p0v8i8
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; FOLDING-OPT: br i1 %{{.*}}, label %{{.*}}, label %vector.body
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entry:
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br label %for.body
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for.cond.cleanup: ; preds = %for.body
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ret void
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for.body: ; preds = %for.body, %entry
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%i.012 = phi i32 [ 0, %entry ], [ %add6, %for.body ]
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%arrayidx = getelementptr inbounds i16, i16* %C, i32 %i.012
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%0 = load i16, i16* %arrayidx, align 2
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%arrayidx1 = getelementptr inbounds i8, i8* %B, i32 %i.012
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%1 = load i8, i8* %arrayidx1, align 1
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%conv3 = trunc i16 %0 to i8
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%add = add i8 %1, %conv3
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%arrayidx5 = getelementptr inbounds i8, i8* %A, i32 %i.012
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store i8 %add, i8* %arrayidx5, align 1
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%add6 = add nuw nsw i32 %i.012, 1
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%exitcond = icmp eq i32 %add6, 431
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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define void @narrowing_store_allowed(i8* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: narrowing_store_allowed(
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; PREFER-FOLDING: call void @llvm.masked.store.v4i8.p0v4i8
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@ -253,70 +194,6 @@ for.body:
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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; This is a trunc not connected to a store, so we don't allow this.
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; TODO: this is conservative, because the trunc is only used in the
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; loop control statements, and thus not affecting element sizes, so
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; we could allow this case.
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define void @trunc_not_allowed(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: trunc_not_allowed(
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; PREFER-FOLDING: vector.body:
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; PREFER-FOLDING-NOT: llvm.masked.load
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; PREFER-FOLDING-NOT: llvm.masked.store
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; PREFER-FOLDING: br i1 %{{.*}}, label %{{.*}}, label %vector.body
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entry:
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br label %for.body
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for.cond.cleanup:
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ret void
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for.body:
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%i.09 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09
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%0 = load i32, i32* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.09
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%1 = load i32, i32* %arrayidx1, align 4
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%add = add nsw i32 %1, %0
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%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09
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store i32 %add, i32* %arrayidx2, align 4
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%add3 = add nuw nsw i32 %i.09, 1
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%add.iv = trunc i32 %add3 to i16
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%exitcond = icmp eq i16 %add.iv, 431
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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define void @trunc_not_allowed_different_vec_elemns(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C, i16* noalias nocapture %D) #0 {
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; CHECK-LABEL: trunc_not_allowed_different_vec_elemns(
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; PREFER-FOLDING: vector.body:
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; PREFER-FOLDING-NOT: llvm.masked.load
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; PREFER-FOLDING-NOT: llvm.masked.store
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; PREFER-FOLDING: br i1 %{{.*}}, label %{{.*}}, label %vector.body
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entry:
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br label %for.body
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for.cond.cleanup:
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ret void
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for.body:
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%i.021 = phi i32 [ 0, %entry ], [ %add9, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.021
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%0 = load i32, i32* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.021
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%1 = load i32, i32* %arrayidx1, align 4
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%add = add nsw i32 %1, %0
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%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.021
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store i32 %add, i32* %arrayidx2, align 4
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%add.tr = trunc i32 %add to i16
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%conv7 = shl i16 %add.tr, 1
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%arrayidx8 = getelementptr inbounds i16, i16* %D, i32 %i.021
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store i16 %conv7, i16* %arrayidx8, align 2
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%add9 = add nuw nsw i32 %i.021, 1
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%exitcond = icmp eq i32 %add9, 431
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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@tab = common global [32 x i8] zeroinitializer, align 1
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define i32 @icmp_not_allowed() #0 {
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@ -396,35 +273,6 @@ for.body:
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br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !7
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}
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; Test directions for array indices i and N-1. I.e. check strides 1 and -1, and
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; force vectorisation with a loop hint.
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define void @strides_different_direction(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C, i32 %N) #0 {
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; CHECK-LABEL: strides_different_direction(
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; PREFER-FOLDING: vector.body:
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; PREFER-FOLDING-NOT: llvm.masked.load
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; PREFER-FOLDING-NOT: llvm.masked.store
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; PREFER-FOLDING: br i1 %{{.*}}, label %{{.*}}, label %vector.body
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entry:
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br label %for.body
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for.cond.cleanup:
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ret void
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for.body:
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%i.09 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09
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%0 = load i32, i32* %arrayidx, align 4
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%sub = sub nsw i32 %N, %i.09
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%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %sub
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%1 = load i32, i32* %arrayidx1, align 4
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%add = add nsw i32 %1, %0
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%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09
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store i32 %add, i32* %arrayidx2, align 4
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%add3 = add nuw nsw i32 %i.09, 1
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%exitcond = icmp eq i32 %add3, 431
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br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !10
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}
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define void @stride_4(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: stride_4(
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; PREFER-FOLDING: vector.body:
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@ -451,35 +299,6 @@ for.body:
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br i1 %cmp, label %for.body, label %for.cond.cleanup, !llvm.loop !5
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}
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define void @too_many_loop_blocks(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: too_many_loop_blocks(
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; PREFER-FOLDING: vector.body:
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; PREFER-FOLDING-NOT: llvm.masked.load
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; PREFER-FOLDING-NOT: llvm.masked.store
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; PREFER-FOLDING: br i1 %{{.*}}, label %{{.*}}, label %vector.body
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entry:
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br label %for.body
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for.cond.cleanup:
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ret void
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for.body:
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%i.09 = phi i32 [ 0, %entry ], [ %add3, %loopincr ]
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%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09
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%0 = load i32, i32* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.09
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%1 = load i32, i32* %arrayidx1, align 4
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%add = add nsw i32 %1, %0
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%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09
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store i32 %add, i32* %arrayidx2, align 4
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br label %loopincr
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loopincr:
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%add3 = add nuw nsw i32 %i.09, 1
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%exitcond = icmp eq i32 %add3, 431
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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define dso_local void @half(half* noalias nocapture %A, half* noalias nocapture readonly %B, half* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: half(
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; PREFER-FOLDING: vector.body:
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@ -538,30 +357,6 @@ for.body:
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br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !10
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}
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define void @double(double* noalias nocapture %A, double* noalias nocapture readonly %B, double* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: double(
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; PREFER-FOLDING: for.body:
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; PREFER-FOLDING-NOT: vector.body:
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entry:
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br label %for.body
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for.cond.cleanup:
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ret void
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for.body:
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%i.09 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
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%arrayidx = getelementptr inbounds double, double* %B, i32 %i.09
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%0 = load double, double* %arrayidx, align 8
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%arrayidx1 = getelementptr inbounds double, double* %C, i32 %i.09
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%1 = load double, double* %arrayidx1, align 8
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%add = fadd fast double %1, %0
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%arrayidx2 = getelementptr inbounds double, double* %A, i32 %i.09
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store double %add, double* %arrayidx2, align 8
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%add3 = add nuw nsw i32 %i.09, 1
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%exitcond = icmp eq i32 %add3, 431
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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define void @fpext_allowed(float* noalias nocapture %A, half* noalias nocapture readonly %B, float* noalias nocapture readonly %C) #0 {
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; CHECK-LABEL: fpext_allowed(
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; PREFER-FOLDING: vector.body:
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@ -616,36 +411,6 @@ for.body:
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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define void @fptrunc_not_allowed(float* noalias nocapture %A, float* noalias nocapture readonly %B, float* noalias nocapture readonly %C, half* noalias nocapture %D) #0 {
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; CHECK-LABEL: fptrunc_not_allowed(
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; PREFER-FOLDING-NOT: vector.body:
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; PREFER-FOLDING-NOT: llvm.masked.load
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; PREFER-FOLDING-NOT: llvm.masked.store
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; PREFER-FOLDING: br i1 %{{.*}}, label %{{.*}}, label %for.body
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entry:
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br label %for.body
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for.cond.cleanup:
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ret void
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for.body:
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%i.017 = phi i32 [ 0, %entry ], [ %add6, %for.body ]
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%arrayidx = getelementptr inbounds float, float* %B, i32 %i.017
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%0 = load float, float* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds float, float* %C, i32 %i.017
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%1 = load float, float* %arrayidx1, align 4
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%add = fadd fast float %1, %0
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%arrayidx2 = getelementptr inbounds float, float* %A, i32 %i.017
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store float %add, float* %arrayidx2, align 4
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%conv = fptrunc float %add to half
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%factor = fmul fast half %conv, 0xH4000
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%arrayidx5 = getelementptr inbounds half, half* %D, i32 %i.017
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store half %factor, half* %arrayidx5, align 2
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%add6 = add nuw nsw i32 %i.017, 1
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%exitcond = icmp eq i32 %add6, 431
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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attributes #0 = { nofree norecurse nounwind "target-features"="+armv8.1-m.main,+mve.fp" }
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!5 = distinct !{!5, !6}
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@ -0,0 +1,36 @@
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; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -loop-vectorize -tail-predication=enabled -S < %s | \
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; RUN: FileCheck %s
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; Test that ARMTTIImpl::preferPredicateOverEpilogue triggers tail-folding.
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define dso_local void @f1(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C, i32 %N) {
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; CHECK-LABEL: f1(
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; CHECK: entry:
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; CHECK: @llvm.get.active.lane.mask
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; CHECK: }
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entry:
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%cmp8 = icmp sgt i32 %N, 0
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br i1 %cmp8, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.cond.cleanup.loopexit: ; preds = %for.body
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
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ret void
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for.body: ; preds = %for.body.preheader, %for.body
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%i.09 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09
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%0 = load i32, i32* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.09
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%1 = load i32, i32* %arrayidx1, align 4
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%add = add nsw i32 %1, %0
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%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09
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store i32 %add, i32* %arrayidx2, align 4
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%inc = add nuw nsw i32 %i.09, 1
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%exitcond.not = icmp eq i32 %inc, %N
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br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body
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}
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@ -0,0 +1,80 @@
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; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -loop-vectorize -tail-predication=enabled -S < %s | \
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; RUN: FileCheck %s
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; Check that loop hint predicate.enable loop can overrule the TTI hook. For
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; this test case, the TTI hook rejects tail-predication:
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;
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; ARMHWLoops: Trip count does not fit into 32bits
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; preferPredicateOverEpilogue: hardware-loop is not profitable.
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;
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define dso_local void @tail_folding(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) {
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; CHECK-LABEL: tail_folding(
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; CHECK: vector.body:
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; CHECK-NOT: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(
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; CHECK-NOT: call void @llvm.masked.store.v4i32.p0v4i32(
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; CHECK: br i1 %{{.*}}, label %{{.*}}, label %vector.body
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entry:
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br label %for.body
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for.cond.cleanup:
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ret void
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for.body:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx, align 4
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%arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
|
||||
%1 = load i32, i32* %arrayidx2, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
||||
store i32 %add, i32* %arrayidx4, align 4
|
||||
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
||||
%exitcond = icmp eq i64 %indvars.iv.next, 430
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
||||
}
|
||||
|
||||
; The same test case but now with predicate.enable = true should get
|
||||
; tail-folded.
|
||||
;
|
||||
define dso_local void @predicate_loop_hint(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) {
|
||||
; CHECK-LABEL: predicate_loop_hint(
|
||||
; CHECK: vector.body:
|
||||
; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
|
||||
; CHECK: %[[ELEM0:.*]] = add i64 %index, 0
|
||||
; CHECK: %active.lane.mask = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i64(i64 %[[ELEM0]], i64 429)
|
||||
; CHECK: %[[WML1:.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}<4 x i1> %active.lane.mask
|
||||
; CHECK: %[[WML2:.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}<4 x i1> %active.lane.mask
|
||||
; CHECK: %[[ADD:.*]] = add nsw <4 x i32> %[[WML2]], %[[WML1]]
|
||||
; CHECK: call void @llvm.masked.store.v4i32.p0v4i32(<4 x i32> %[[ADD]], {{.*}}<4 x i1> %active.lane.mask
|
||||
; CHECK: %index.next = add i64 %index, 4
|
||||
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %vector.body
|
||||
entry:
|
||||
br label %for.body
|
||||
|
||||
for.cond.cleanup:
|
||||
ret void
|
||||
|
||||
for.body:
|
||||
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
|
||||
%1 = load i32, i32* %arrayidx2, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
||||
store i32 %add, i32* %arrayidx4, align 4
|
||||
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
||||
%exitcond = icmp eq i64 %indvars.iv.next, 430
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !6
|
||||
}
|
||||
|
||||
; CHECK: !0 = distinct !{!0, !1}
|
||||
; CHECK-NEXT: !1 = !{!"llvm.loop.isvectorized", i32 1}
|
||||
; CHECK-NEXT: !2 = distinct !{!2, !3, !1}
|
||||
; CHECK-NEXT: !3 = !{!"llvm.loop.unroll.runtime.disable"}
|
||||
; CHECK-NEXT: !4 = distinct !{!4, !1}
|
||||
; CHECK-NEXT: !5 = distinct !{!5, !3, !1}
|
||||
|
||||
!6 = distinct !{!6, !7, !8}
|
||||
!7 = !{!"llvm.loop.vectorize.predicate.enable", i1 true}
|
||||
!8 = !{!"llvm.loop.vectorize.enable", i1 true}
|
||||
|
|
@ -1,28 +1,12 @@
|
|||
; RUN: opt < %s -loop-vectorize -tail-predication=enabled -S | \
|
||||
; RUN: FileCheck %s -check-prefixes=COMMON,CHECK
|
||||
; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp \
|
||||
; RUN: -tail-predication=enabled -loop-vectorize -S < %s | \
|
||||
; RUN: FileCheck %s
|
||||
|
||||
; RUN: opt < %s -loop-vectorize -tail-predication=enabled -prefer-predicate-over-epilog -S | \
|
||||
; RUN: FileCheck -check-prefixes=COMMON,PREDFLAG %s
|
||||
|
||||
; RUN: opt < %s -loop-vectorize -tail-predication=enabled-no-reductions -S | \
|
||||
; RUN: FileCheck %s -check-prefixes=COMMON,NORED
|
||||
|
||||
; RUN: opt < %s -loop-vectorize -tail-predication=force-enabled-no-reductions -S | \
|
||||
; RUN: FileCheck %s -check-prefixes=COMMON,NORED
|
||||
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
target triple = "thumbv8.1m.main-arm-unknown-eabihf"
|
||||
|
||||
define dso_local void @tail_folding(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 {
|
||||
; CHECK-LABEL: tail_folding(
|
||||
define void @trunc_not_allowed_different_vec_elemns(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C, i16* noalias nocapture %D) #0 {
|
||||
; CHECK-LABEL: trunc_not_allowed_different_vec_elemns(
|
||||
; CHECK: vector.body:
|
||||
;
|
||||
; This needs implementation of TTI::preferPredicateOverEpilogue,
|
||||
; then this will be tail-folded too:
|
||||
;
|
||||
; CHECK-NOT: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(
|
||||
; CHECK-NOT: call void @llvm.masked.store.v4i32.p0v4i32(
|
||||
; CHECK-NOT: llvm.masked.load
|
||||
; CHECK-NOT: llvm.masked.store
|
||||
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %vector.body
|
||||
entry:
|
||||
br label %for.body
|
||||
|
|
@ -31,32 +15,29 @@ for.cond.cleanup:
|
|||
ret void
|
||||
|
||||
for.body:
|
||||
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
|
||||
%i.021 = phi i32 [ 0, %entry ], [ %add9, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.021
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
|
||||
%1 = load i32, i32* %arrayidx2, align 4
|
||||
%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.021
|
||||
%1 = load i32, i32* %arrayidx1, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
||||
store i32 %add, i32* %arrayidx4, align 4
|
||||
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
||||
%exitcond = icmp eq i64 %indvars.iv.next, 430
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.021
|
||||
store i32 %add, i32* %arrayidx2, align 4
|
||||
%add.tr = trunc i32 %add to i16
|
||||
%conv7 = shl i16 %add.tr, 1
|
||||
%arrayidx8 = getelementptr inbounds i16, i16* %D, i32 %i.021
|
||||
store i16 %conv7, i16* %arrayidx8, align 2
|
||||
%add9 = add nuw nsw i32 %i.021, 1
|
||||
%exitcond = icmp eq i32 %add9, 431
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
||||
}
|
||||
|
||||
|
||||
define dso_local void @tail_folding_enabled(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) local_unnamed_addr #0 {
|
||||
; COMMON-LABEL: tail_folding_enabled(
|
||||
; COMMON: vector.body:
|
||||
; COMMON: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
|
||||
; COMMON: %[[ELEM0:.*]] = add i64 %index, 0
|
||||
; COMMON: %active.lane.mask = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i64(i64 %[[ELEM0]], i64 429)
|
||||
; COMMON: %[[WML1:.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}<4 x i1> %active.lane.mask
|
||||
; COMMON: %[[WML2:.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}<4 x i1> %active.lane.mask
|
||||
; COMMON: %[[ADD:.*]] = add nsw <4 x i32> %[[WML2]], %[[WML1]]
|
||||
; COMMON: call void @llvm.masked.store.v4i32.p0v4i32(<4 x i32> %[[ADD]], {{.*}}<4 x i1> %active.lane.mask
|
||||
; COMMON: %index.next = add i64 %index, 4
|
||||
; COMMON: br i1 %{{.*}}, label %{{.*}}, label %vector.body
|
||||
define void @unsupported_i64_type(i64* noalias nocapture %A, i64* noalias nocapture readonly %B, i64* noalias nocapture readonly %C) #0 {
|
||||
; CHECK-LABEL: unsupported_i64_type(
|
||||
; CHECK-NOT: vector.body:
|
||||
; CHECK-NOT: llvm.masked.load
|
||||
; CHECK-NOT: llvm.masked.store
|
||||
; CHECK: for.body:
|
||||
entry:
|
||||
br label %for.body
|
||||
|
||||
|
|
@ -64,38 +45,57 @@ for.cond.cleanup:
|
|||
ret void
|
||||
|
||||
for.body:
|
||||
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
|
||||
%1 = load i32, i32* %arrayidx2, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
||||
store i32 %add, i32* %arrayidx4, align 4
|
||||
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
||||
%exitcond = icmp eq i64 %indvars.iv.next, 430
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !6
|
||||
%i.09 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i64, i64* %B, i32 %i.09
|
||||
%0 = load i64, i64* %arrayidx, align 8
|
||||
%arrayidx1 = getelementptr inbounds i64, i64* %C, i32 %i.09
|
||||
%1 = load i64, i64* %arrayidx1, align 8
|
||||
%add = add nsw i64 %1, %0
|
||||
%arrayidx2 = getelementptr inbounds i64, i64* %A, i32 %i.09
|
||||
store i64 %add, i64* %arrayidx2, align 8
|
||||
%add3 = add nuw nsw i32 %i.09, 1
|
||||
%exitcond = icmp eq i32 %add3, 431
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
||||
}
|
||||
|
||||
define dso_local void @tail_folding_disabled(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) local_unnamed_addr #0 {
|
||||
; CHECK-LABEL: tail_folding_disabled(
|
||||
define void @narrowing_load_not_allowed(i8* noalias nocapture %A, i8* noalias nocapture readonly %B, i16* noalias nocapture readonly %C) #0 {
|
||||
; CHECK-LABEL: narrowing_load_not_allowed(
|
||||
; CHECK: vector.body:
|
||||
; CHECK-NOT: @llvm.masked.load.v8i32.p0v8i32(
|
||||
; CHECK-NOT: @llvm.masked.store.v8i32.p0v8i32(
|
||||
; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body
|
||||
; CHECK-NOT: llvm.masked.load
|
||||
; CHECK-NOT: llvm.masked.store
|
||||
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %vector.body
|
||||
entry:
|
||||
br label %for.body
|
||||
|
||||
; PREDFLAG-LABEL: tail_folding_disabled(
|
||||
; PREDFLAG: vector.body:
|
||||
; PREDFLAG: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
|
||||
; PREDFLAG: %[[ELEM0:.*]] = add i64 %index, 0
|
||||
; PREDFLAG: %active.lane.mask = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i64(i64 %[[ELEM0]], i64 429)
|
||||
; PREDFLAG: %wide.masked.load = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %active.lane.mask
|
||||
; PREDFLAG: %wide.masked.load1 = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %active.lane.mask
|
||||
; PREDFLAG: %{{.*}} = add nsw <4 x i32> %wide.masked.load1, %wide.masked.load
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %active.lane.mask
|
||||
; PREDFLAG: %index.next = add i64 %index, 4
|
||||
; PREDFLAG: %[[CMP:.*]] = icmp eq i64 %index.next, 432
|
||||
; PREDFLAG: br i1 %[[CMP]], label %middle.block, label %vector.body, !llvm.loop !6
|
||||
for.cond.cleanup: ; preds = %for.body
|
||||
ret void
|
||||
|
||||
for.body: ; preds = %for.body, %entry
|
||||
%i.012 = phi i32 [ 0, %entry ], [ %add6, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i16, i16* %C, i32 %i.012
|
||||
%0 = load i16, i16* %arrayidx, align 2
|
||||
%arrayidx1 = getelementptr inbounds i8, i8* %B, i32 %i.012
|
||||
%1 = load i8, i8* %arrayidx1, align 1
|
||||
%conv3 = trunc i16 %0 to i8
|
||||
%add = add i8 %1, %conv3
|
||||
%arrayidx5 = getelementptr inbounds i8, i8* %A, i32 %i.012
|
||||
store i8 %add, i8* %arrayidx5, align 1
|
||||
%add6 = add nuw nsw i32 %i.012, 1
|
||||
%exitcond = icmp eq i32 %add6, 431
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
||||
}
|
||||
|
||||
; This is a trunc not connected to a store, so we don't allow this.
|
||||
; TODO: this is conservative, because the trunc is only used in the
|
||||
; loop control statements, and thus not affecting element sizes, so
|
||||
; we could allow this case.
|
||||
;
|
||||
define void @trunc_not_allowed(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 {
|
||||
; CHECK-LABEL: trunc_not_allowed(
|
||||
; CHECK: vector.body:
|
||||
; CHECK-NOT: llvm.masked.load
|
||||
; CHECK-NOT: llvm.masked.store
|
||||
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %vector.body
|
||||
entry:
|
||||
br label %for.body
|
||||
|
||||
|
|
@ -103,48 +103,144 @@ for.cond.cleanup:
|
|||
ret void
|
||||
|
||||
for.body:
|
||||
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
|
||||
%i.09 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
|
||||
%1 = load i32, i32* %arrayidx2, align 4
|
||||
%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.09
|
||||
%1 = load i32, i32* %arrayidx1, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
||||
store i32 %add, i32* %arrayidx4, align 4
|
||||
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
||||
%exitcond = icmp eq i64 %indvars.iv.next, 430
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09
|
||||
store i32 %add, i32* %arrayidx2, align 4
|
||||
%add3 = add nuw nsw i32 %i.09, 1
|
||||
|
||||
%add.iv = trunc i32 %add3 to i16
|
||||
|
||||
%exitcond = icmp eq i16 %add.iv, 431
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
||||
}
|
||||
|
||||
; Test directions for array indices i and N-1. I.e. check strides 1 and -1, and
|
||||
; force vectorisation with a loop hint.
|
||||
;
|
||||
define void @strides_different_direction(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C, i32 %N) #0 {
|
||||
; CHECK-LABEL: strides_different_direction(
|
||||
; CHECK: vector.body:
|
||||
; CHECK-NOT: llvm.masked.load
|
||||
; CHECK-NOT: llvm.masked.store
|
||||
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %vector.body
|
||||
entry:
|
||||
br label %for.body
|
||||
|
||||
for.cond.cleanup:
|
||||
ret void
|
||||
|
||||
for.body:
|
||||
%i.09 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%sub = sub nsw i32 %N, %i.09
|
||||
%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %sub
|
||||
%1 = load i32, i32* %arrayidx1, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09
|
||||
store i32 %add, i32* %arrayidx2, align 4
|
||||
%add3 = add nuw nsw i32 %i.09, 1
|
||||
%exitcond = icmp eq i32 %add3, 431
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !10
|
||||
}
|
||||
|
||||
define dso_local void @interleave4(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C, i32 %N) local_unnamed_addr #0 {
|
||||
; PREDFLAG-LABEL: interleave4(
|
||||
; PREDFLAG: %[[ADD1:.*]] = add i32 %index, 0
|
||||
; PREDFLAG: %[[ADD2:.*]] = add i32 %index, 4
|
||||
; PREDFLAG: %[[ADD3:.*]] = add i32 %index, 8
|
||||
; PREDFLAG: %[[ADD4:.*]] = add i32 %index, 12
|
||||
; PREDFLAG: %[[BTC:.*]] = extractelement <4 x i32> %broadcast.splat, i32 0
|
||||
; PREDFLAG: %[[ALM1:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD1]], i32 %[[BTC]])
|
||||
; PREDFLAG: %[[ALM2:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD2]], i32 %[[BTC]])
|
||||
; PREDFLAG: %[[ALM3:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD3]], i32 %[[BTC]])
|
||||
; PREDFLAG: %[[ALM4:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD4]], i32 %[[BTC]])
|
||||
;
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM1]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM2]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM3]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM4]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM1]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM2]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM3]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM4]],{{.*}}
|
||||
;
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM1]])
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM2]])
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM3]])
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM4]])
|
||||
;
|
||||
define void @too_many_loop_blocks(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 {
|
||||
; CHECK-LABEL: too_many_loop_blocks(
|
||||
; CHECK: vector.body:
|
||||
; CHECK-NOT: llvm.masked.load
|
||||
; CHECK-NOT: llvm.masked.store
|
||||
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %vector.body
|
||||
entry:
|
||||
%cmp8 = icmp sgt i32 %N, 0
|
||||
br i1 %cmp8, label %for.body.preheader, label %for.cond.cleanup
|
||||
br label %for.body
|
||||
|
||||
for.cond.cleanup:
|
||||
ret void
|
||||
|
||||
for.body:
|
||||
%i.09 = phi i32 [ 0, %entry ], [ %add3, %loopincr ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.09
|
||||
%1 = load i32, i32* %arrayidx1, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09
|
||||
store i32 %add, i32* %arrayidx2, align 4
|
||||
br label %loopincr
|
||||
|
||||
loopincr:
|
||||
%add3 = add nuw nsw i32 %i.09, 1
|
||||
%exitcond = icmp eq i32 %add3, 431
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
||||
}
|
||||
|
||||
define void @double(double* noalias nocapture %A, double* noalias nocapture readonly %B, double* noalias nocapture readonly %C) #0 {
|
||||
; CHECK-LABEL: double(
|
||||
; CHECK: for.body:
|
||||
; CHECK-NOT: vector.body:
|
||||
entry:
|
||||
br label %for.body
|
||||
|
||||
for.cond.cleanup:
|
||||
ret void
|
||||
|
||||
for.body:
|
||||
%i.09 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
|
||||
%arrayidx = getelementptr inbounds double, double* %B, i32 %i.09
|
||||
%0 = load double, double* %arrayidx, align 8
|
||||
%arrayidx1 = getelementptr inbounds double, double* %C, i32 %i.09
|
||||
%1 = load double, double* %arrayidx1, align 8
|
||||
%add = fadd fast double %1, %0
|
||||
%arrayidx2 = getelementptr inbounds double, double* %A, i32 %i.09
|
||||
store double %add, double* %arrayidx2, align 8
|
||||
%add3 = add nuw nsw i32 %i.09, 1
|
||||
%exitcond = icmp eq i32 %add3, 431
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
||||
}
|
||||
|
||||
define void @fptrunc_not_allowed(float* noalias nocapture %A, float* noalias nocapture readonly %B, float* noalias nocapture readonly %C, half* noalias nocapture %D) #0 {
|
||||
; CHECK-LABEL: fptrunc_not_allowed(
|
||||
; CHECK-NOT: vector.body:
|
||||
; CHECK-NOT: llvm.masked.load
|
||||
; CHECK-NOT: llvm.masked.store
|
||||
; CHECK: br i1 %{{.*}}, label %{{.*}}, label %for.body
|
||||
entry:
|
||||
br label %for.body
|
||||
|
||||
for.cond.cleanup:
|
||||
ret void
|
||||
|
||||
for.body:
|
||||
%i.017 = phi i32 [ 0, %entry ], [ %add6, %for.body ]
|
||||
%arrayidx = getelementptr inbounds float, float* %B, i32 %i.017
|
||||
%0 = load float, float* %arrayidx, align 4
|
||||
%arrayidx1 = getelementptr inbounds float, float* %C, i32 %i.017
|
||||
%1 = load float, float* %arrayidx1, align 4
|
||||
%add = fadd fast float %1, %0
|
||||
%arrayidx2 = getelementptr inbounds float, float* %A, i32 %i.017
|
||||
store float %add, float* %arrayidx2, align 4
|
||||
%conv = fptrunc float %add to half
|
||||
%factor = fmul fast half %conv, 0xH4000
|
||||
%arrayidx5 = getelementptr inbounds half, half* %D, i32 %i.017
|
||||
store half %factor, half* %arrayidx5, align 2
|
||||
%add6 = add nuw nsw i32 %i.017, 1
|
||||
%exitcond = icmp eq i32 %add6, 431
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
||||
}
|
||||
|
||||
; This is a select which isn't a max or min (it isn't live-out), that we don't
|
||||
; want to tail-fold. Because this select will result in some mov lanes,
|
||||
; which aren't supported by the lowoverhead loop pass, causing the tail-predication
|
||||
; to be reverted which is expensive and what we would like to avoid.
|
||||
;
|
||||
define dso_local void @select_not_allowed(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C, i32 %N, i32* noalias nocapture readonly %Cond) {
|
||||
entry:
|
||||
%cmp10 = icmp sgt i32 %N, 0
|
||||
br i1 %cmp10, label %for.body.preheader, label %for.cond.cleanup
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
br label %for.body
|
||||
|
|
@ -156,52 +252,20 @@ for.cond.cleanup: ; preds = %for.cond.cleanup.lo
|
|||
ret void
|
||||
|
||||
for.body: ; preds = %for.body.preheader, %for.body
|
||||
%i.09 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09
|
||||
%i.011 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %Cond, i32 %i.011
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.09
|
||||
%1 = load i32, i32* %arrayidx1, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09
|
||||
store i32 %add, i32* %arrayidx2, align 4
|
||||
%inc = add nuw nsw i32 %i.09, 1
|
||||
%exitcond = icmp eq i32 %inc, %N
|
||||
br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body, !llvm.loop !14
|
||||
%tobool.not = icmp eq i32 %0, 0
|
||||
%C.B = select i1 %tobool.not, i32* %C, i32* %B
|
||||
%cond.in = getelementptr inbounds i32, i32* %C.B, i32 %i.011
|
||||
%cond = load i32, i32* %cond.in, align 4
|
||||
%arrayidx3 = getelementptr inbounds i32, i32* %A, i32 %i.011
|
||||
store i32 %cond, i32* %arrayidx3, align 4
|
||||
%inc = add nuw nsw i32 %i.011, 1
|
||||
%exitcond.not = icmp eq i32 %inc, %N
|
||||
br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body
|
||||
}
|
||||
|
||||
define dso_local i32 @i32_add_reduction(i32* noalias nocapture readonly %B, i32 %N) local_unnamed_addr #0 {
|
||||
; COMMON-LABEL: i32_add_reduction(
|
||||
; COMMON: entry:
|
||||
; CHECK: @llvm.get.active.lane.mask
|
||||
; NORED-NOT: @llvm.get.active.lane.mask
|
||||
; COMMON: }
|
||||
entry:
|
||||
%cmp6 = icmp sgt i32 %N, 0
|
||||
br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
|
||||
|
||||
for.body.preheader:
|
||||
br label %for.body
|
||||
|
||||
for.cond.cleanup.loopexit:
|
||||
%add.lcssa = phi i32 [ %add, %for.body ]
|
||||
br label %for.cond.cleanup
|
||||
|
||||
for.cond.cleanup:
|
||||
%S.0.lcssa = phi i32 [ 1, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ]
|
||||
ret i32 %S.0.lcssa
|
||||
|
||||
for.body:
|
||||
%i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
|
||||
%S.07 = phi i32 [ %add, %for.body ], [ 1, %for.body.preheader ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.08
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%add = add nsw i32 %0, %S.07
|
||||
%inc = add nuw nsw i32 %i.08, 1
|
||||
%exitcond = icmp eq i32 %inc, %N
|
||||
br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
|
||||
}
|
||||
|
||||
|
||||
; Don't tail-fold float reductions.
|
||||
;
|
||||
define dso_local void @f32_reduction(float* nocapture readonly %Input, i32 %N, float* nocapture %Output) local_unnamed_addr #0 {
|
||||
|
|
@ -489,23 +553,5 @@ for.cond.cleanup: ; preds = %for.body, %entry
|
|||
ret i32 %r.0.lcssa
|
||||
}
|
||||
|
||||
; CHECK: !0 = distinct !{!0, !1}
|
||||
; CHECK-NEXT: !1 = !{!"llvm.loop.isvectorized", i32 1}
|
||||
; CHECK-NEXT: !2 = distinct !{!2, !3, !1}
|
||||
; CHECK-NEXT: !3 = !{!"llvm.loop.unroll.runtime.disable"}
|
||||
; CHECK-NEXT: !4 = distinct !{!4, !1}
|
||||
; CHECK-NEXT: !5 = distinct !{!5, !3, !1}
|
||||
; CHECK-NEXT: !6 = distinct !{!6, !1}
|
||||
|
||||
attributes #0 = { nofree norecurse nounwind "target-features"="+armv8.1-m.main,+mve.fp" }
|
||||
|
||||
!6 = distinct !{!6, !7, !8}
|
||||
!7 = !{!"llvm.loop.vectorize.predicate.enable", i1 true}
|
||||
!8 = !{!"llvm.loop.vectorize.enable", i1 true}
|
||||
|
||||
!10 = distinct !{!10, !11, !12}
|
||||
!11 = !{!"llvm.loop.vectorize.predicate.enable", i1 false}
|
||||
!12 = !{!"llvm.loop.vectorize.enable", i1 true}
|
||||
|
||||
!14 = distinct !{!14, !15}
|
||||
!15 = !{!"llvm.loop.interleave.count", i32 4}
|
||||
!10 = distinct !{!10, !11}
|
||||
!11 = !{!"llvm.loop.vectorize.width", i32 4}
|
||||
|
|
@ -0,0 +1,108 @@
|
|||
; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -loop-vectorize -tail-predication=enabled -S < %s | \
|
||||
; RUN: FileCheck %s -check-prefix=CHECK
|
||||
|
||||
; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -loop-vectorize -tail-predication=enabled -prefer-predicate-over-epilog -S < %s | \
|
||||
; RUN: FileCheck -check-prefix=PREDFLAG %s
|
||||
|
||||
; This test has a loop hint "predicate.predicate" set to false, so shouldn't
|
||||
; get tail-folded, except with -prefer-predicate-over-epilog which then
|
||||
; overrules this.
|
||||
;
|
||||
define dso_local void @flag_overrules_hint(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) local_unnamed_addr #0 {
|
||||
; CHECK-LABEL: flag_overrules_hint(
|
||||
; CHECK: vector.body:
|
||||
; CHECK-NOT: @llvm.masked.load.v8i32.p0v8i32(
|
||||
; CHECK-NOT: @llvm.masked.store.v8i32.p0v8i32(
|
||||
; CHECK: br i1 %{{.*}}, label {{.*}}, label %vector.body
|
||||
|
||||
; PREDFLAG-LABEL: flag_overrules_hint(
|
||||
; PREDFLAG: vector.body:
|
||||
; PREDFLAG: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
|
||||
; PREDFLAG: %[[ELEM0:.*]] = add i64 %index, 0
|
||||
; PREDFLAG: %active.lane.mask = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i64(i64 %[[ELEM0]], i64 429)
|
||||
; PREDFLAG: %wide.masked.load = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %active.lane.mask
|
||||
; PREDFLAG: %wide.masked.load1 = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %active.lane.mask
|
||||
; PREDFLAG: %{{.*}} = add nsw <4 x i32> %wide.masked.load1, %wide.masked.load
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %active.lane.mask
|
||||
; PREDFLAG: %index.next = add i64 %index, 4
|
||||
; PREDFLAG: %[[CMP:.*]] = icmp eq i64 %index.next, 432
|
||||
; PREDFLAG: br i1 %[[CMP]], label %middle.block, label %vector.body, !llvm.loop !0
|
||||
entry:
|
||||
br label %for.body
|
||||
|
||||
for.cond.cleanup:
|
||||
ret void
|
||||
|
||||
for.body:
|
||||
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
|
||||
%1 = load i32, i32* %arrayidx2, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
||||
store i32 %add, i32* %arrayidx4, align 4
|
||||
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
||||
%exitcond = icmp eq i64 %indvars.iv.next, 430
|
||||
br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !10
|
||||
}
|
||||
|
||||
define dso_local void @interleave4(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C, i32 %N) local_unnamed_addr #0 {
|
||||
; PREDFLAG-LABEL: interleave4(
|
||||
; PREDFLAG: %[[ADD1:.*]] = add i32 %index, 0
|
||||
; PREDFLAG: %[[ADD2:.*]] = add i32 %index, 4
|
||||
; PREDFLAG: %[[ADD3:.*]] = add i32 %index, 8
|
||||
; PREDFLAG: %[[ADD4:.*]] = add i32 %index, 12
|
||||
; PREDFLAG: %[[BTC:.*]] = extractelement <4 x i32> %broadcast.splat, i32 0
|
||||
; PREDFLAG: %[[ALM1:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD1]], i32 %[[BTC]])
|
||||
; PREDFLAG: %[[ALM2:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD2]], i32 %[[BTC]])
|
||||
; PREDFLAG: %[[ALM3:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD3]], i32 %[[BTC]])
|
||||
; PREDFLAG: %[[ALM4:active.lane.mask.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %[[ADD4]], i32 %[[BTC]])
|
||||
;
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM1]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM2]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM3]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM4]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM1]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM2]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM3]],{{.*}}
|
||||
; PREDFLAG: call <4 x i32> @llvm.masked.load.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM4]],{{.*}}
|
||||
;
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM1]])
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM2]])
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM3]])
|
||||
; PREDFLAG: call void @llvm.masked.store.v4i32.p0v4i32({{.*}}, <4 x i1> %[[ALM4]])
|
||||
;
|
||||
entry:
|
||||
%cmp8 = icmp sgt i32 %N, 0
|
||||
br i1 %cmp8, label %for.body.preheader, label %for.cond.cleanup
|
||||
|
||||
for.body.preheader: ; preds = %entry
|
||||
br label %for.body
|
||||
|
||||
for.cond.cleanup.loopexit: ; preds = %for.body
|
||||
br label %for.cond.cleanup
|
||||
|
||||
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
|
||||
ret void
|
||||
|
||||
for.body: ; preds = %for.body.preheader, %for.body
|
||||
%i.09 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.09
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%arrayidx1 = getelementptr inbounds i32, i32* %C, i32 %i.09
|
||||
%1 = load i32, i32* %arrayidx1, align 4
|
||||
%add = add nsw i32 %1, %0
|
||||
%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i.09
|
||||
store i32 %add, i32* %arrayidx2, align 4
|
||||
%inc = add nuw nsw i32 %i.09, 1
|
||||
%exitcond = icmp eq i32 %inc, %N
|
||||
br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body, !llvm.loop !14
|
||||
}
|
||||
|
||||
!10 = distinct !{!10, !11, !12}
|
||||
!11 = !{!"llvm.loop.vectorize.predicate.enable", i1 false}
|
||||
!12 = !{!"llvm.loop.vectorize.enable", i1 true}
|
||||
|
||||
!14 = distinct !{!14, !15}
|
||||
!15 = !{!"llvm.loop.interleave.count", i32 4}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -loop-vectorize -tail-predication=enabled -S < %s | \
|
||||
; RUN: FileCheck %s -check-prefixes=COMMON,CHECK
|
||||
|
||||
; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -loop-vectorize -tail-predication=enabled-no-reductions -S < %s | \
|
||||
; RUN: FileCheck %s -check-prefixes=COMMON,NORED
|
||||
|
||||
; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp -loop-vectorize -tail-predication=force-enabled-no-reductions -S < %s | \
|
||||
; RUN: FileCheck %s -check-prefixes=COMMON,NORED
|
||||
|
||||
; Check that this reduction is allowed, except when reductions are disable on
|
||||
; the command line.
|
||||
;
|
||||
define dso_local i32 @i32_add_reduction(i32* noalias nocapture readonly %B, i32 %N) local_unnamed_addr #0 {
|
||||
; COMMON-LABEL: i32_add_reduction(
|
||||
; COMMON: entry:
|
||||
; CHECK: @llvm.get.active.lane.mask
|
||||
; NORED-NOT: @llvm.get.active.lane.mask
|
||||
; COMMON: }
|
||||
entry:
|
||||
%cmp6 = icmp sgt i32 %N, 0
|
||||
br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
|
||||
|
||||
for.body.preheader:
|
||||
br label %for.body
|
||||
|
||||
for.cond.cleanup.loopexit:
|
||||
%add.lcssa = phi i32 [ %add, %for.body ]
|
||||
br label %for.cond.cleanup
|
||||
|
||||
for.cond.cleanup:
|
||||
%S.0.lcssa = phi i32 [ 1, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ]
|
||||
ret i32 %S.0.lcssa
|
||||
|
||||
for.body:
|
||||
%i.08 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
|
||||
%S.07 = phi i32 [ %add, %for.body ], [ 1, %for.body.preheader ]
|
||||
%arrayidx = getelementptr inbounds i32, i32* %B, i32 %i.08
|
||||
%0 = load i32, i32* %arrayidx, align 4
|
||||
%add = add nsw i32 %0, %S.07
|
||||
%inc = add nuw nsw i32 %i.08, 1
|
||||
%exitcond = icmp eq i32 %inc, %N
|
||||
br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
|
||||
}
|
||||
Loading…
Reference in New Issue