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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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27
external/llvm/test/CodeGen/PowerPC/atomic-1.ll vendored Normal file
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; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-apple-darwin | FileCheck %s
define i32 @exchange_and_add(i32* %mem, i32 %val) nounwind {
; CHECK-LABEL: exchange_and_add:
; CHECK: lwarx {{r[0-9]+}}, 0, {{r[0-9]+}}
%tmp = atomicrmw add i32* %mem, i32 %val monotonic
; CHECK: stwcx. {{r[0-9]+}}, 0, {{r[0-9]+}}
ret i32 %tmp
}
define i32 @exchange_and_cmp(i32* %mem) nounwind {
; CHECK-LABEL: exchange_and_cmp:
; CHECK: lwarx
%tmppair = cmpxchg i32* %mem, i32 0, i32 1 monotonic monotonic
%tmp = extractvalue { i32, i1 } %tmppair, 0
; CHECK: stwcx.
; CHECK: stwcx.
ret i32 %tmp
}
define i32 @exchange(i32* %mem, i32 %val) nounwind {
; CHECK-LABEL: exchange:
; CHECK: lwarx
%tmp = atomicrmw xchg i32* %mem, i32 1 monotonic
; CHECK: stwcx.
ret i32 %tmp
}