Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
This commit is contained in:
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

View File

@@ -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
}