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https://github.com/c64scene-ar/llvm-6502.git
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44e40408ee
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200907 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
1.0 KiB
LLVM
26 lines
1.0 KiB
LLVM
; RUN: opt < %s -basicaa -memcpyopt -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-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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%struct.foo = type { i8, [7 x i8], i32 }
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define i32 @test1(%struct.foo* nocapture %foobie) nounwind noinline ssp uwtable {
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%bletch.sroa.1 = alloca [7 x i8], align 1
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%1 = getelementptr inbounds %struct.foo* %foobie, i64 0, i32 0
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store i8 98, i8* %1, align 4
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%2 = getelementptr inbounds %struct.foo* %foobie, i64 0, i32 1, i64 0
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%3 = getelementptr inbounds [7 x i8]* %bletch.sroa.1, i64 0, i64 0
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %2, i8* %3, i64 7, i32 1, i1 false)
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%4 = getelementptr inbounds %struct.foo* %foobie, i64 0, i32 2
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store i32 20, i32* %4, align 4
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ret i32 undef
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; Check that the memcpy is removed.
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; CHECK-LABEL: @test1(
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; CHECK-NOT: call void @llvm.memcpy
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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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