forked from OSchip/llvm-project
112 lines
5.0 KiB
LLVM
112 lines
5.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -loops -basic-aa -gvn -enable-load-pre -S | FileCheck %s
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define dso_local void @test1(i32* nocapture readonly %aa, i32* nocapture %bb) local_unnamed_addr {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[IDX:%.*]] = getelementptr inbounds i32, i32* [[BB:%.*]], i64 1
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; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds i32, i32* [[AA:%.*]], i64 1
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; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[IDX2]], align 4
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; CHECK-NEXT: store i32 [[TMP0]], i32* [[IDX]], align 4
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[ENTRY:%.*]] ], [ [[DOTPRE:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE:%.*]] ]
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; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE]] ]
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; CHECK-NEXT: [[IDX4:%.*]] = getelementptr inbounds i32, i32* [[AA]], i64 [[INDVARS_IV]]
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; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[IDX4]], align 4, !llvm.access.group !0
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; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP1]], [[TMP2]]
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; CHECK-NEXT: store i32 [[MUL]], i32* [[IDX4]], align 4, !llvm.access.group !0
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; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
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; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], 100
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; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY_FOR_BODY_CRIT_EDGE]], label [[FOR_END:%.*]]
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; CHECK: for.body.for.body_crit_edge:
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; CHECK-NEXT: [[DOTPRE]] = load i32, i32* [[IDX]], align 4, !llvm.access.group !0
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; CHECK-NEXT: br label [[FOR_BODY]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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%idx = getelementptr inbounds i32, i32* %bb, i64 1
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%idx2 = getelementptr inbounds i32, i32* %aa, i64 1
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%0 = load i32, i32* %idx2, align 4
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store i32 %0, i32* %idx, align 4
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br label %for.body
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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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%idx4 = getelementptr inbounds i32, i32* %aa, i64 %indvars.iv
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%1 = load i32, i32* %idx4, align 4, !llvm.access.group !0
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%2 = load i32, i32* %idx, align 4, !llvm.access.group !0
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%mul = mul nsw i32 %2, %1
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store i32 %mul, i32* %idx4, align 4, !llvm.access.group !0
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp ne i64 %indvars.iv.next, 100
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br i1 %exitcond, label %for.body, label %for.end
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for.end:
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ret void
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}
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!0 = distinct !{}
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define dso_local void @test2(i32* nocapture readonly %aa, i32* nocapture %bb) local_unnamed_addr {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[IDX:%.*]] = getelementptr inbounds i32, i32* [[BB:%.*]], i64 1
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; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds i32, i32* [[AA:%.*]], i64 1
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; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[IDX2]], align 4
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; CHECK-NEXT: store i32 [[TMP0]], i32* [[IDX]], align 4
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; CHECK-NEXT: [[DOTPRE:%.*]] = load i32, i32* [[AA]], align 4
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; CHECK-NEXT: br label [[FOR_BODY2:%.*]]
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; CHECK: for.body2:
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; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[FOR_BODY]] ], [ [[DOTPRE1:%.*]], [[FOR_BODY2_FOR_BODY2_CRIT_EDGE:%.*]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[DOTPRE]], [[FOR_BODY]] ], [ [[MUL:%.*]], [[FOR_BODY2_FOR_BODY2_CRIT_EDGE]] ]
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; CHECK-NEXT: [[INDVARS2_IV:%.*]] = phi i64 [ 0, [[FOR_BODY]] ], [ 1, [[FOR_BODY2_FOR_BODY2_CRIT_EDGE]] ]
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; CHECK-NEXT: [[MUL]] = mul nsw i32 [[TMP1]], [[TMP2]]
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; CHECK-NEXT: store i32 [[MUL]], i32* [[AA]], align 4, !llvm.access.group !1
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; CHECK-NEXT: br i1 true, label [[FOR_BODY2_FOR_BODY2_CRIT_EDGE]], label [[FOR_END:%.*]]
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; CHECK: for.body2.for.body2_crit_edge:
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; CHECK-NEXT: [[DOTPRE1]] = load i32, i32* [[IDX]], align 4, !llvm.access.group !1
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; CHECK-NEXT: br label [[FOR_BODY2]]
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; CHECK: for.end:
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; CHECK-NEXT: br i1 false, label [[FOR_END_FOR_BODY_CRIT_EDGE:%.*]], label [[END:%.*]]
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; CHECK: for.end.for.body_crit_edge:
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; CHECK-NEXT: br label [[FOR_BODY]]
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; CHECK: end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.end ]
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%idx = getelementptr inbounds i32, i32* %bb, i64 1
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%idx2 = getelementptr inbounds i32, i32* %aa, i64 1
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%0 = load i32, i32* %idx2, align 4
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store i32 %0, i32* %idx, align 4
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br label %for.body2
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for.body2:
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%indvars2.iv = phi i64 [ 0, %for.body ], [ %indvars2.iv.next, %for.body2 ]
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%idx4 = getelementptr inbounds i32, i32* %aa, i64 %indvars.iv
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%1 = load i32, i32* %idx4, align 4, !llvm.access.group !1
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%2 = load i32, i32* %idx, align 4, !llvm.access.group !1
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%mul = mul nsw i32 %2, %1
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store i32 %mul, i32* %idx4, align 4, !llvm.access.group !1
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%indvars2.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond2 = icmp ne i64 %indvars2.iv.next, 100
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br i1 %exitcond2, label %for.body2, label %for.end
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for.end:
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp ne i64 %indvars.iv.next, 100
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br i1 %exitcond, label %for.body, label %end
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end:
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ret void
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}
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!1 = distinct !{}
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