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0ef546e639
delete the first store in: store x -> p load p store y -> p This is for PR2297. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50859 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
966 B
LLVM
26 lines
966 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {store i8} | count 3
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; PR2297
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin8"
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define i32 @a() nounwind {
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entry:
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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%tmp1 = call i8* @malloc( i32 10 ) nounwind ; <i8*> [#uses=5]
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%tmp3 = getelementptr i8* %tmp1, i32 1 ; <i8*> [#uses=1]
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store i8 0, i8* %tmp3, align 1
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%tmp5 = getelementptr i8* %tmp1, i32 0 ; <i8*> [#uses=1]
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store i8 1, i8* %tmp5, align 1
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%tmp7 = call i32 @strlen( i8* %tmp1 ) nounwind readonly ; <i32> [#uses=1]
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%tmp9 = getelementptr i8* %tmp1, i32 0 ; <i8*> [#uses=1]
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store i8 0, i8* %tmp9, align 1
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%tmp11 = call i32 (...)* @b( i8* %tmp1 ) nounwind ; <i32> [#uses=0]
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ret i32 %tmp7
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}
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declare i8* @malloc(i32) nounwind
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declare i32 @strlen(i8*) nounwind readonly
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declare i32 @b(...)
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