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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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37
external/llvm/test/Analysis/GlobalsModRef/atomic-instrs.ll vendored Normal file
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@@ -0,0 +1,37 @@
; RUN: opt < %s -globals-aa -gvn -S | FileCheck %s
@X = internal global i32 4
define i32 @test_cmpxchg(i32* %P) {
; CHECK-LABEL: @test_cmpxchg
; CHECK-NEXT: store i32 12, i32* @X
; CHECK-NEXT: call void @modrefX_cmpxchg()
; CHECK-NEXT: %V = load i32, i32* @X
; CHECK-NEXT: ret i32 %V
store i32 12, i32* @X
call void @modrefX_cmpxchg()
%V = load i32, i32* @X
ret i32 %V
}
define void @modrefX_cmpxchg() {
%1 = cmpxchg i32* @X, i32 0, i32 -1 monotonic monotonic
ret void
}
define i32 @test_atomicrmw(i32* %P) {
; CHECK-LABEL: @test_atomicrmw
; CHECK-NEXT: store i32 12, i32* @X
; CHECK-NEXT: call void @modrefXatomicrmw()
; CHECK-NEXT: %V = load i32, i32* @X
; CHECK-NEXT: ret i32 %V
store i32 12, i32* @X
call void @modrefXatomicrmw()
%V = load i32, i32* @X
ret i32 %V
}
define void @modrefXatomicrmw() {
%1 = atomicrmw add i32* @X, i32 1 acquire
ret void
}