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4e212e275d
It now knows the tricks of both functions. Also, fix a bug that considered allocas of non-zero address space to be always non null Differential Revision: https://reviews.llvm.org/D37628 llvm-svn: 312869
19 lines
693 B
LLVM
19 lines
693 B
LLVM
; RUN: opt < %s -instcombine -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"
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target triple = "x86_64-apple-darwin10.0.0"
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define void @func(i8* %i) nounwind ssp {
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; CHECK-LABEL: @func(
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; CHECK: @__strcpy_chk(i8* nonnull %arraydecay, i8* %i, i64 32)
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entry:
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%s = alloca [32 x i8], align 16
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%arraydecay = getelementptr inbounds [32 x i8], [32 x i8]* %s, i32 0, i32 0
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%call = call i8* @__strcpy_chk(i8* %arraydecay, i8* %i, i64 32)
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call void @func2(i8* %arraydecay)
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ret void
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}
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declare i8* @__strcpy_chk(i8*, i8*, i64) nounwind
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declare void @func2(i8*)
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