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84 lines
3.0 KiB
LLVM
84 lines
3.0 KiB
LLVM
; REQUIRES: asserts
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; RUN: opt -S -mtriple=systemz-unknown -mcpu=z13 -O3 -enable-mssa-loop-dependency -enable-simple-loop-unswitch -verify-memoryssa < %s | FileCheck %s
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target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
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target triple = "s390x-ibm-linux"
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@g_80 = external dso_local global i32, align 4
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@g_1683 = external dso_local global i32, align 4
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@0 = internal global [7 x i8] c"\00\EE\00\00\EE\00\00", align 2
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; Function Attrs: nounwind
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; CHECK-LABEL: @main
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define dso_local void @main() #0 {
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bb:
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call void @func_1()
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unreachable
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}
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; Function Attrs: nounwind
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define dso_local void @func_1() #0 {
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bb:
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call void @func_2()
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unreachable
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}
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; Function Attrs: nounwind
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define dso_local void @func_2() #0 {
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bb:
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%tmp = alloca i32, align 4
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store i32 0, i32* @g_80, align 4, !tbaa !1
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br label %bb1
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bb1: ; preds = %bb15, %bb
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%tmp2 = load i32, i32* @g_80, align 4, !tbaa !1
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%tmp3 = icmp sle i32 %tmp2, 6
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br i1 %tmp3, label %bb4, label %bb18
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bb4: ; preds = %bb1
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%tmp5 = load i32, i32* @g_1683, align 4, !tbaa !1
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%tmp6 = sext i32 %tmp5 to i64
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%tmp7 = getelementptr inbounds [7 x i8], [7 x i8]* @0, i64 0, i64 %tmp6
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%tmp8 = load i8, i8* %tmp7, align 1, !tbaa !5
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%tmp9 = icmp ne i8 %tmp8, 0
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br i1 %tmp9, label %bb10, label %bb11
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bb10: ; preds = %bb4
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store i32 82, i32* %tmp, align 4
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br label %bb12
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bb11: ; preds = %bb4
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store i32 0, i32* %tmp, align 4
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br label %bb12
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bb12: ; preds = %bb11, %bb10
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%tmp13 = load i32, i32* %tmp, align 4
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%tmp14 = icmp ult i32 %tmp13, 1
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br i1 %tmp14, label %bb15, label %bb18
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bb15: ; preds = %bb12
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%tmp16 = load i32, i32* @g_80, align 4, !tbaa !1
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%tmp17 = add nsw i32 %tmp16, 1
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store i32 %tmp17, i32* @g_80, align 4, !tbaa !1
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br label %bb1
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bb18: ; preds = %bb12, %bb1
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call void @llvm.trap()
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unreachable
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}
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; Function Attrs: cold noreturn nounwind
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declare void @llvm.trap() #1
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attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "frame-pointer"="none" "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" "target-cpu"="z13" "target-features"="+transactional-execution,+vector" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { cold noreturn nounwind }
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!llvm.ident = !{!0}
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!0 = !{!"clang version 8.0.0 (http://llvm.org/git/clang.git a674a04e68bcf09f9a0423f3f589589596bc01a6) (http://llvm.org/git/llvm.git 1fe1ffe00e034128d1c5504254fdd4742f48bb9a)"}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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!5 = !{!3, !3, i64 0}
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