Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
This commit is contained in:
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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; 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
}