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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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47
external/llvm/test/Transforms/DeadStoreElimination/memintrinsics.ll vendored Normal file
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; RUN: opt -S -dse < %s | FileCheck %s
declare void @llvm.memcpy.p0i8.p0i8.i8(i8* nocapture, i8* nocapture, i8, i32, i1) nounwind
declare void @llvm.memmove.p0i8.p0i8.i8(i8* nocapture, i8* nocapture, i8, i32, i1) nounwind
declare void @llvm.memset.p0i8.i8(i8* nocapture, i8, i8, i32, i1) nounwind
define void @test1() {
; CHECK-LABEL: @test1(
%A = alloca i8
%B = alloca i8
store i8 0, i8* %A ;; Written to by memcpy
; CHECK-NOT: store
call void @llvm.memcpy.p0i8.p0i8.i8(i8* %A, i8* %B, i8 -1, i32 0, i1 false)
ret void
; CHECK: ret void
}
define void @test2() {
; CHECK-LABEL: @test2(
%A = alloca i8
%B = alloca i8
store i8 0, i8* %A ;; Written to by memmove
; CHECK-NOT: store
call void @llvm.memmove.p0i8.p0i8.i8(i8* %A, i8* %B, i8 -1, i32 0, i1 false)
ret void
; CHECK: ret void
}
define void @test3() {
; CHECK-LABEL: @test3(
%A = alloca i8
%B = alloca i8
store i8 0, i8* %A ;; Written to by memset
; CHECK-NOT: store
call void @llvm.memset.p0i8.i8(i8* %A, i8 0, i8 -1, i32 0, i1 false)
ret void
; CHECK: ret void
}