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22 lines
706 B
LLVM
22 lines
706 B
LLVM
; RUN: llc < %s -march=ppc64 | grep ldarx | count 3
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; RUN: llc < %s -march=ppc64 | grep stdcx. | count 4
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define i64 @exchange_and_add(i64* %mem, i64 %val) nounwind {
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%tmp = call i64 @llvm.atomic.load.add.i64( i64* %mem, i64 %val )
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ret i64 %tmp
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}
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define i64 @exchange_and_cmp(i64* %mem) nounwind {
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%tmp = call i64 @llvm.atomic.cmp.swap.i64( i64* %mem, i64 0, i64 1 )
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ret i64 %tmp
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}
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define i64 @exchange(i64* %mem, i64 %val) nounwind {
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%tmp = call i64 @llvm.atomic.swap.i64( i64* %mem, i64 1 )
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ret i64 %tmp
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}
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declare i64 @llvm.atomic.load.add.i64(i64*, i64) nounwind
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declare i64 @llvm.atomic.cmp.swap.i64(i64*, i64, i64) nounwind
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declare i64 @llvm.atomic.swap.i64(i64*, i64) nounwind
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