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Imported Upstream version 5.18.0.161

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Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
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Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions
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40
external/llvm/test/Transforms/DeadStoreElimination/const-pointers.ll vendored Normal file
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; RUN: opt -basicaa -dse -S < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
%t = type { i32 }
@g = global i32 42
define void @test1(%t* noalias %pp) {
%p = getelementptr inbounds %t, %t* %pp, i32 0, i32 0
store i32 1, i32* %p; <-- This is dead
%x = load i32, i32* inttoptr (i32 12345 to i32*)
store i32 %x, i32* %p
ret void
; CHECK-LABEL: define void @test1(
; CHECK: store
; CHECK-NOT: store
; CHECK: ret void
}
define void @test3() {
store i32 1, i32* @g; <-- This is dead.
store i32 42, i32* @g
ret void
; CHECK-LABEL: define void @test3(
; CHECK: store
; CHECK-NOT: store
; CHECK: ret void
}
define void @test4(i32* %p) {
store i32 1, i32* %p
%x = load i32, i32* @g; <-- %p and @g could alias
store i32 %x, i32* %p
ret void
; CHECK-LABEL: define void @test4(
; CHECK: store
; CHECK: store
; CHECK: ret void
}