Imported Upstream version 5.18.0.179

Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 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
}