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55e7098bbc
methods. Use a weak value handle to keep up with this. PR12245 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155984 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.6 KiB
LLVM
51 lines
1.6 KiB
LLVM
; RUN: opt < %s -basicaa -inline -instcombine -reassociate -dse -disable-output
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; PR12245
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@a = common global i32 0, align 4
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@d = common global i32 0, align 4
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define i32 @fn2() nounwind uwtable ssp {
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entry:
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%0 = load i32* @a, align 4, !tbaa !0
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%dec = add nsw i32 %0, -1
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store i32 %dec, i32* @a, align 4, !tbaa !0
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%1 = load i32* @d, align 4, !tbaa !0
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%sub = sub nsw i32 %dec, %1
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store i32 %sub, i32* @d, align 4, !tbaa !0
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%2 = load i32* @a, align 4, !tbaa !0
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%dec1 = add nsw i32 %2, -1
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store i32 %dec1, i32* @a, align 4, !tbaa !0
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%3 = load i32* @d, align 4, !tbaa !0
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%sub2 = sub nsw i32 %dec1, %3
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store i32 %sub2, i32* @d, align 4, !tbaa !0
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%4 = load i32* @a, align 4, !tbaa !0
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%dec3 = add nsw i32 %4, -1
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store i32 %dec3, i32* @a, align 4, !tbaa !0
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%5 = load i32* @d, align 4, !tbaa !0
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%sub4 = sub nsw i32 %dec3, %5
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store i32 %sub4, i32* @d, align 4, !tbaa !0
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%6 = load i32* @a, align 4, !tbaa !0
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%dec5 = add nsw i32 %6, -1
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store i32 %dec5, i32* @a, align 4, !tbaa !0
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%7 = load i32* @d, align 4, !tbaa !0
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%sub6 = sub nsw i32 %dec5, %7
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store i32 %sub6, i32* @d, align 4, !tbaa !0
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%8 = load i32* @a, align 4, !tbaa !0
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%dec7 = add nsw i32 %8, -1
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store i32 %dec7, i32* @a, align 4, !tbaa !0
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%9 = load i32* @d, align 4, !tbaa !0
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%sub8 = sub nsw i32 %dec7, %9
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store i32 %sub8, i32* @d, align 4, !tbaa !0
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ret i32 0
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}
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define i32 @fn1() nounwind uwtable ssp {
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entry:
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%call = call i32 @fn2()
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ret i32 %call
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}
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!0 = metadata !{metadata !"int", metadata !1}
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!1 = metadata !{metadata !"omnipotent char", metadata !2}
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!2 = metadata !{metadata !"Simple C/C++ TBAA"}
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