forked from OSchip/llvm-project
185 lines
7.6 KiB
LLVM
185 lines
7.6 KiB
LLVM
; RUN: opt -S -loop-rotate -verify-memoryssa < %s | FileCheck %s
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; RUN: opt -S -passes='require<targetir>,require<assumptions>,loop(loop-rotate)' < %s | FileCheck %s
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; RUN: opt -S -passes='require<targetir>,require<assumptions>,loop(loop-rotate)' -verify-memoryssa < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @g(i32*)
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define void @test_02(i32* nocapture %_pA) nounwind ssp {
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; CHECK-LABEL: @test_02(
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; CHECK: entry:
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !2)
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; CHECK: store i32 42, i32* %_pA, align 16, !alias.scope !2
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; CHECK: for.body:
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !5)
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; CHECK: store i32 0, i32* %arrayidx, align 16, !noalias !5
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !7)
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; CHECK: store i32 42, i32* %_pA, align 16, !alias.scope !7
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; CHECK: for.end:
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entry:
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%array = alloca [20 x i32], align 16
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br label %for.cond
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for.cond: ; preds = %for.body, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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tail call void @llvm.experimental.noalias.scope.decl(metadata !2)
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store i32 42, i32* %_pA, align 16, !alias.scope !2
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%cmp = icmp slt i32 %i.0, 100
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%arrayidx = getelementptr inbounds [20 x i32], [20 x i32]* %array, i64 0, i64 0
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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store i32 0, i32* %arrayidx, align 16, !noalias !2
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%inc = add nsw i32 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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%arrayidx.lcssa = phi i32* [ %arrayidx, %for.cond ]
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call void @g(i32* %arrayidx.lcssa) nounwind
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ret void
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}
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define void @test_03(i32* nocapture %_pA) nounwind ssp {
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; CHECK-LABEL: @test_03(
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; CHECK: entry:
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; CHECK: for.body:
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !5)
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; CHECK: store i32 42, i32* %_pA, align 16, !alias.scope !5
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; CHECK: store i32 0, i32* %arrayidx, align 16, !noalias !5
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; CHECK: for.end:
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entry:
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%array = alloca [20 x i32], align 16
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br label %for.cond
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for.cond: ; preds = %for.body, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%cmp = icmp slt i32 %i.0, 100
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%arrayidx = getelementptr inbounds [20 x i32], [20 x i32]* %array, i64 0, i64 0
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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tail call void @llvm.experimental.noalias.scope.decl(metadata !2)
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store i32 42, i32* %_pA, align 16, !alias.scope !2
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store i32 0, i32* %arrayidx, align 16, !noalias !2
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%inc = add nsw i32 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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%arrayidx.lcssa = phi i32* [ %arrayidx, %for.cond ]
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call void @g(i32* %arrayidx.lcssa) nounwind
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ret void
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}
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define void @test_04(i32* nocapture %_pA) nounwind ssp {
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; CHECK-LABEL: @test_04(
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; CHECK: entry:
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !9)
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; CHECK: store i32 42, i32* %_pA, align 16, !alias.scope !9
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; CHECK: for.body:
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !5)
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; CHECK: store i32 0, i32* %arrayidx, align 16, !noalias !5
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; CHECK: store i32 43, i32* %_pA, align 16, !alias.scope !5
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !11)
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; CHECK: store i32 42, i32* %_pA, align 16, !alias.scope !11
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; CHECK: for.end:
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entry:
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%array = alloca [20 x i32], align 16
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br label %for.cond
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for.cond: ; preds = %for.body, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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tail call void @llvm.experimental.noalias.scope.decl(metadata !2)
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store i32 42, i32* %_pA, align 16, !alias.scope !2
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%cmp = icmp slt i32 %i.0, 100
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%arrayidx = getelementptr inbounds [20 x i32], [20 x i32]* %array, i64 0, i64 0
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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store i32 0, i32* %arrayidx, align 16, !noalias !2
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store i32 43, i32* %_pA, align 16, !alias.scope !2
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%inc = add nsw i32 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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%arrayidx.lcssa = phi i32* [ %arrayidx, %for.cond ]
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call void @g(i32* %arrayidx.lcssa) nounwind
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ret void
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}
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define void @test_05(i32* nocapture %_pA) nounwind ssp {
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; CHECK-LABEL: @test_05(
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; CHECK: entry:
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !13)
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; CHECK: store i32 42, i32* %_pA, align 16, !alias.scope !13
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; CHECK: for.body:
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !5)
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; CHECK: store i32 0, i32* %arrayidx, align 16, !noalias !5
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; CHECK: store i32 43, i32* %_pA, align 16, !alias.scope !5
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; CHECK: tail call void @llvm.experimental.noalias.scope.decl(metadata !15)
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; CHECK: store i32 42, i32* %_pA, align 16, !alias.scope !15
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; CHECK: for.end:
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; CHECK: store i32 44, i32* %_pA, align 16, !alias.scope !5
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entry:
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%array = alloca [20 x i32], align 16
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br label %for.cond
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for.cond: ; preds = %for.body, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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tail call void @llvm.experimental.noalias.scope.decl(metadata !2)
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store i32 42, i32* %_pA, align 16, !alias.scope !2
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%cmp = icmp slt i32 %i.0, 100
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%arrayidx = getelementptr inbounds [20 x i32], [20 x i32]* %array, i64 0, i64 0
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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store i32 0, i32* %arrayidx, align 16, !noalias !2
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store i32 43, i32* %_pA, align 16, !alias.scope !2
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%inc = add nsw i32 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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%arrayidx.lcssa = phi i32* [ %arrayidx, %for.cond ]
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store i32 44, i32* %_pA, align 16, !alias.scope !2
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call void @g(i32* %arrayidx.lcssa) nounwind
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ret void
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}
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; Function Attrs: inaccessiblememonly nounwind
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declare void @llvm.experimental.noalias.scope.decl(metadata) #1
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attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { inaccessiblememonly nounwind }
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attributes #2 = { nounwind readnone speculatable }
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{!"clang"}
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!2 = !{!3}
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!3 = distinct !{!3, !4, !"test_loop_rotate_XX: pA"}
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!4 = distinct !{!4, !"test_loop_rotate_XX"}
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; CHECK: !0 = !{i32 1, !"wchar_size", i32 4}
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; CHECK: !1 = !{!"clang"}
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; CHECK: !2 = !{!3}
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; CHECK: !3 = distinct !{!3, !4, !"test_loop_rotate_XX: pA:pre.rot"}
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; CHECK: !4 = distinct !{!4, !"test_loop_rotate_XX"}
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; CHECK: !5 = !{!6}
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; CHECK: !6 = distinct !{!6, !4, !"test_loop_rotate_XX: pA"}
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; CHECK: !7 = !{!8}
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; CHECK: !8 = distinct !{!8, !4, !"test_loop_rotate_XX: pA:h.rot"}
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; CHECK: !9 = !{!10}
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; CHECK: !10 = distinct !{!10, !4, !"test_loop_rotate_XX: pA:pre.rot"}
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; CHECK: !11 = !{!12}
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; CHECK: !12 = distinct !{!12, !4, !"test_loop_rotate_XX: pA:h.rot"}
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; CHECK: !13 = !{!14}
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; CHECK: !14 = distinct !{!14, !4, !"test_loop_rotate_XX: pA:pre.rot"}
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; CHECK: !15 = !{!16}
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; CHECK: !16 = distinct !{!16, !4, !"test_loop_rotate_XX: pA:h.rot"}
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