Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions

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@ -1,14 +0,0 @@
; RUN: opt < %s -basicaa -gvn -instcombine -S | FileCheck %s
@flag0 = internal global i32 zeroinitializer
@turn = internal global i32 zeroinitializer
; CHECK: ret i32 0
define i32 @main() {
%a = load i32, i32* @flag0
%b = atomicrmw xchg i32* @turn, i32 1 monotonic
%c = load i32, i32* @flag0
%d = sub i32 %a, %c
ret i32 %d
}