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a756b1d914
are the same. I had already fixed a similar problem where the source and destination were different bitcasts derived from the same alloca, but the previous fix still did not handle the case where both operands are exactly the same value. Radar 7552893. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93848 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
592 B
LLVM
19 lines
592 B
LLVM
; RUN: opt < %s -scalarrepl -S | FileCheck %s
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; Radar 7552893
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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-n8:16:32"
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%struct.test = type { [3 x double ] }
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define arm_apcscc void @test_memcpy_self() nounwind {
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; CHECK: @test_memcpy_self
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; CHECK-NOT: alloca
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; CHECK: ret void
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%1 = alloca %struct.test
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%2 = bitcast %struct.test* %1 to i8*
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call void @llvm.memcpy.i32(i8* %2, i8* %2, i32 24, i32 4)
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ret void
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}
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declare void @llvm.memcpy.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind
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