Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
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Xamarin Public Jenkins (auto-signing)
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions

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; RUN: llc < %s -mtriple=x86_64-- -mattr=-sse -O0
; PR9675
define i32 @t() {
entry:
%i = alloca i32, align 4
store i32 1, i32* %i, align 4
fence seq_cst
%0 = atomicrmw sub i32* %i, i32 1 monotonic
fence seq_cst
ret i32 0
}