forked from OSchip/llvm-project
211 lines
12 KiB
LLVM
211 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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; Function Attrs: nofree norecurse nounwind
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define void @a(i8* readnone %b) {
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; CHECK-LABEL: @a(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[B1:%.*]] = ptrtoint i8* [[B:%.*]] to i64
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; CHECK-NEXT: [[CMP_NOT4:%.*]] = icmp eq i8* [[B]], null
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; CHECK-NEXT: br i1 [[CMP_NOT4]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]]
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; CHECK: for.body.preheader:
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; CHECK-NEXT: [[TMP0:%.*]] = sub i64 0, [[B1]]
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 4
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], 4
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]]
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; CHECK-NEXT: [[TMP1:%.*]] = mul i64 [[N_VEC]], -1
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; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, i8* null, i64 [[TMP1]]
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE10:%.*]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
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; CHECK-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], -1
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; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, i8* null, i64 [[TMP3]]
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP]], i64 -1
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; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i32 0
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; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, i8* [[TMP5]], i32 -3
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; CHECK-NEXT: [[TMP7:%.*]] = bitcast i8* [[TMP6]] to <4 x i8>*
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP7]], align 1
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; CHECK-NEXT: [[REVERSE:%.*]] = shufflevector <4 x i8> [[WIDE_LOAD]], <4 x i8> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
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; CHECK-NEXT: [[TMP8:%.*]] = icmp eq <4 x i8> [[REVERSE]], zeroinitializer
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; CHECK-NEXT: [[TMP9:%.*]] = xor <4 x i1> [[TMP8]], <i1 true, i1 true, i1 true, i1 true>
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; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x i1> [[TMP9]], i32 0
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; CHECK-NEXT: br i1 [[TMP10]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
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; CHECK: pred.store.if:
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; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP]], i64 -1
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; CHECK-NEXT: store i8 95, i8* [[TMP11]], align 1
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; CHECK-NEXT: br label [[PRED_STORE_CONTINUE]]
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; CHECK: pred.store.continue:
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; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i1> [[TMP9]], i32 1
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; CHECK-NEXT: br i1 [[TMP12]], label [[PRED_STORE_IF5:%.*]], label [[PRED_STORE_CONTINUE6:%.*]]
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; CHECK: pred.store.if5:
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; CHECK-NEXT: [[TMP13:%.*]] = add i64 [[INDEX]], 1
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; CHECK-NEXT: [[TMP14:%.*]] = mul i64 [[TMP13]], -1
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; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, i8* null, i64 [[TMP14]]
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; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP2]], i64 -1
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; CHECK-NEXT: store i8 95, i8* [[TMP15]], align 1
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; CHECK-NEXT: br label [[PRED_STORE_CONTINUE6]]
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; CHECK: pred.store.continue6:
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; CHECK-NEXT: [[TMP16:%.*]] = extractelement <4 x i1> [[TMP9]], i32 2
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; CHECK-NEXT: br i1 [[TMP16]], label [[PRED_STORE_IF7:%.*]], label [[PRED_STORE_CONTINUE8:%.*]]
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; CHECK: pred.store.if7:
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; CHECK-NEXT: [[TMP17:%.*]] = add i64 [[INDEX]], 2
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; CHECK-NEXT: [[TMP18:%.*]] = mul i64 [[TMP17]], -1
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; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, i8* null, i64 [[TMP18]]
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; CHECK-NEXT: [[TMP19:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP3]], i64 -1
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; CHECK-NEXT: store i8 95, i8* [[TMP19]], align 1
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; CHECK-NEXT: br label [[PRED_STORE_CONTINUE8]]
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; CHECK: pred.store.continue8:
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; CHECK-NEXT: [[TMP20:%.*]] = extractelement <4 x i1> [[TMP9]], i32 3
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; CHECK-NEXT: br i1 [[TMP20]], label [[PRED_STORE_IF9:%.*]], label [[PRED_STORE_CONTINUE10]]
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; CHECK: pred.store.if9:
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; CHECK-NEXT: [[TMP21:%.*]] = add i64 [[INDEX]], 3
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; CHECK-NEXT: [[TMP22:%.*]] = mul i64 [[TMP21]], -1
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; CHECK-NEXT: [[NEXT_GEP4:%.*]] = getelementptr i8, i8* null, i64 [[TMP22]]
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; CHECK-NEXT: [[TMP23:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP4]], i64 -1
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; CHECK-NEXT: store i8 95, i8* [[TMP23]], align 1
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; CHECK-NEXT: br label [[PRED_STORE_CONTINUE10]]
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; CHECK: pred.store.continue10:
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ null, [[FOR_BODY_PREHEADER]] ]
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.cond.cleanup.loopexit:
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; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
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; CHECK: for.cond.cleanup:
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; CHECK-NEXT: ret void
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; CHECK: for.body:
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; CHECK-NEXT: [[C_05:%.*]] = phi i8* [ [[INCDEC_PTR:%.*]], [[IF_END:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
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; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[C_05]], i64 -1
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; CHECK-NEXT: [[TMP25:%.*]] = load i8, i8* [[INCDEC_PTR]], align 1
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; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i8 [[TMP25]], 0
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; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[IF_END]], label [[IF_THEN:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: store i8 95, i8* [[INCDEC_PTR]], align 1
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; CHECK-NEXT: br label [[IF_END]]
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; CHECK: if.end:
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; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i8* [[INCDEC_PTR]], [[B]]
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; CHECK-NEXT: br i1 [[CMP_NOT]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
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;
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entry:
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%cmp.not4 = icmp eq i8* %b, null
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br i1 %cmp.not4, label %for.cond.cleanup, label %for.body.preheader
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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 = %if.end
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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, %if.end
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%c.05 = phi i8* [ %incdec.ptr, %if.end ], [ null, %for.body.preheader ]
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%incdec.ptr = getelementptr inbounds i8, i8* %c.05, i64 -1
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%0 = load i8, i8* %incdec.ptr, align 1
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%tobool.not = icmp eq i8 %0, 0
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br i1 %tobool.not, label %if.end, label %if.then
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if.then: ; preds = %for.body
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store i8 95, i8* %incdec.ptr, align 1
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br label %if.end
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if.end: ; preds = %for.body, %if.then
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%cmp.not = icmp eq i8* %incdec.ptr, %b
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br i1 %cmp.not, label %for.cond.cleanup.loopexit, label %for.body
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}
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; In the test below the pointer phi %ptr.iv.2 is used as
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; 1. As a uniform address for the load, and
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; 2. Non-uniform use by the getelementptr which is stored. This requires the
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; vector value.
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define void @pointer_induction_used_as_vector(i8** noalias %start.1, i8* noalias %start.2, i64 %N) {
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; CHECK-LABEL: @pointer_induction_used_as_vector(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
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; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8*, i8** [[START_1:%.*]], i64 [[N_VEC]]
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; CHECK-NEXT: [[IND_END3:%.*]] = getelementptr i8, i8* [[START_2:%.*]], i64 [[N_VEC]]
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[POINTER_PHI:%.*]] = phi i8* [ [[START_2]], [[VECTOR_PH]] ], [ [[PTR_IND:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
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; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
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; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8*, i8** [[START_1]], i64 [[TMP1]]
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[POINTER_PHI]], <4 x i64> <i64 0, i64 1, i64 2, i64 3>
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i8, <4 x i8*> [[TMP2]], i64 1
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i8*, i8** [[NEXT_GEP]], i32 0
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; CHECK-NEXT: [[TMP5:%.*]] = bitcast i8** [[TMP4]] to <4 x i8*>*
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; CHECK-NEXT: store <4 x i8*> [[TMP3]], <4 x i8*>* [[TMP5]], align 8
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; CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x i8*> [[TMP2]], i32 0
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[TMP6]], i32 0
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; CHECK-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP7]] to <4 x i8>*
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP8]], align 1
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; CHECK-NEXT: [[TMP9:%.*]] = add <4 x i8> [[WIDE_LOAD]], <i8 1, i8 1, i8 1, i8 1>
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; CHECK-NEXT: [[TMP10:%.*]] = bitcast i8* [[TMP7]] to <4 x i8>*
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; CHECK-NEXT: store <4 x i8> [[TMP9]], <4 x i8>* [[TMP10]], align 1
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
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; CHECK-NEXT: [[PTR_IND]] = getelementptr i8, i8* [[POINTER_PHI]], i64 4
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; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i8** [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[START_1]], [[ENTRY]] ]
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; CHECK-NEXT: [[BC_RESUME_VAL2:%.*]] = phi i8* [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[START_2]], [[ENTRY]] ]
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; CHECK-NEXT: br label [[LOOP_BODY:%.*]]
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; CHECK: loop.body:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP_BODY]] ]
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; CHECK-NEXT: [[PTR_IV_1:%.*]] = phi i8** [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[PTR_IV_1_NEXT:%.*]], [[LOOP_BODY]] ]
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; CHECK-NEXT: [[PTR_IV_2:%.*]] = phi i8* [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ], [ [[PTR_IV_2_NEXT:%.*]], [[LOOP_BODY]] ]
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; CHECK-NEXT: [[PTR_IV_1_NEXT]] = getelementptr inbounds i8*, i8** [[PTR_IV_1]], i64 1
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; CHECK-NEXT: [[PTR_IV_2_NEXT]] = getelementptr inbounds i8, i8* [[PTR_IV_2]], i64 1
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; CHECK-NEXT: store i8* [[PTR_IV_2_NEXT]], i8** [[PTR_IV_1]], align 8
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; CHECK-NEXT: [[LV:%.*]] = load i8, i8* [[PTR_IV_2]], align 1
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; CHECK-NEXT: [[ADD:%.*]] = add i8 [[LV]], 1
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; CHECK-NEXT: store i8 [[ADD]], i8* [[PTR_IV_2]], align 1
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; CHECK-NEXT: [[IV_NEXT]] = add nuw i64 [[IV]], 1
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; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[IV_NEXT]], [[N]]
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; CHECK-NEXT: br i1 [[C]], label [[LOOP_BODY]], label [[EXIT]], !llvm.loop [[LOOP5:![0-9]+]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %loop.body
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loop.body: ; preds = %loop.body, %entry
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.body ]
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%ptr.iv.1 = phi i8** [ %start.1, %entry ], [ %ptr.iv.1.next, %loop.body ]
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%ptr.iv.2 = phi i8* [ %start.2, %entry ], [ %ptr.iv.2.next, %loop.body ]
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%ptr.iv.1.next = getelementptr inbounds i8*, i8** %ptr.iv.1, i64 1
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%ptr.iv.2.next = getelementptr inbounds i8, i8* %ptr.iv.2, i64 1
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store i8* %ptr.iv.2.next, i8** %ptr.iv.1, align 8
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%lv = load i8, i8* %ptr.iv.2, align 1
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%add = add i8 %lv, 1
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store i8 %add, i8* %ptr.iv.2, align 1
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%iv.next = add nuw i64 %iv, 1
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%c = icmp ne i64 %iv.next, %N
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br i1 %c, label %loop.body, label %exit
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exit: ; preds = %loop.body
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ret void
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}
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