mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-03 09:21:13 +00:00
184944acdf
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140582 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
511 B
LLVM
24 lines
511 B
LLVM
; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s
|
|
; rdar://r7512579
|
|
|
|
; PHI defs in the atomic loop should be used by the add / adc
|
|
; instructions. They should not be dead.
|
|
|
|
define void @t(i64* nocapture %p) nounwind ssp {
|
|
entry:
|
|
; CHECK: t:
|
|
; CHECK: movl $1
|
|
; CHECK: movl (%ebp), %eax
|
|
; CHECK: movl 4(%ebp), %edx
|
|
; CHECK: LBB0_1:
|
|
; CHECK-NOT: movl $1
|
|
; CHECK-NOT: movl $0
|
|
; CHECK: addl
|
|
; CHECK: adcl
|
|
; CHECK: lock
|
|
; CHECK: cmpxchg8b
|
|
; CHECK: jne
|
|
%0 = atomicrmw add i64* %p, i64 1 seq_cst
|
|
ret void
|
|
}
|