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5389210e63
return the pointer being dereferenced, it returns the pointee, but a call might return the pointer itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130979 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
949 B
LLVM
27 lines
949 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; PR9820
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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-unknown-linux-gnu"
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@func_1.l_10 = internal unnamed_addr constant [4 x i32] [i32 1, i32 0, i32 0, i32 0], align 16
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define i32* @noop(i32* %p_29) nounwind readnone {
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entry:
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ret i32* %p_29
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}
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define i32 @main() nounwind {
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entry:
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%l_10 = alloca [4 x i32], align 16
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%tmp = bitcast [4 x i32]* %l_10 to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* bitcast ([4 x i32]* @func_1.l_10 to i8*), i64 16, i32 16, i1 false)
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; CHECK: call void @llvm.memcpy
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%arrayidx = getelementptr inbounds [4 x i32]* %l_10, i64 0, i64 0
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%call = call i32* @noop(i32* %arrayidx)
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store i32 0, i32* %call
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ret i32 0
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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