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Imported Upstream version 6.10.0.49

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Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions
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22
external/llvm-project/llvm/test/Transforms/MemCpyOpt/capturing-func.ll vendored Normal file
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; RUN: opt < %s -basicaa -memcpyopt -S | FileCheck %s
target datalayout = "e"
declare void @foo(i8*)
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
define void @test() {
%ptr1 = alloca i8
%ptr2 = alloca i8
call void @foo(i8* %ptr2)
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr1, i8* %ptr2, i32 1, i32 1, i1 false)
call void @foo(i8* %ptr1)
ret void
; Check that the transformation isn't applied if the called function can
; capture the pointer argument (i.e. the nocapture attribute isn't present)
; CHECK-LABEL: @test(
; CHECK: call void @foo(i8* %ptr2)
; CHECK-NEXT: call void @llvm.memcpy
; CHECK-NEXT: call void @foo(i8* %ptr1)
}