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llvm-mirror/test/Transforms/SCCP/atomic.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

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LLVM

; RUN: opt < %s -sccp -S | FileCheck %s
define i1 @test_cmpxchg(i32* %addr, i32 %desired, i32 %new) {
; CHECK-LABEL: @test_cmpxchg
; CHECK: cmpxchg i32* %addr, i32 %desired, i32 %new seq_cst seq_cst
%val = cmpxchg i32* %addr, i32 %desired, i32 %new seq_cst seq_cst
%res = extractvalue { i32, i1 } %val, 1
ret i1 %res
}