-; RUN: llvm-as < %s | llc -march=ppc32 | grep lwarx | count 4
-; RUN: llvm-as < %s | llc -march=ppc32 | grep stwcx. | count 4
+; RUN: llc < %s -mtriple=powerpc-apple-darwin -march=ppc32 | FileCheck %s
-define i32 @exchange_and_add(i32* %mem, i32 %val) nounwind {
- %tmp = call i32 @llvm.atomic.load.add.i32( i32* %mem, i32 %val )
- ret i32 %tmp
+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 {
- %tmp = call i32 @llvm.atomic.cmp.swap.i32( i32* %mem, i32 0, i32 1 )
- 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 i16 @exchange_and_cmp16(i16* %mem) nounwind {
- %tmp = call i16 @llvm.atomic.cmp.swap.i16( i16* %mem, i16 0, i16 1 )
- ret i16 %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
}
-
-define i32 @exchange(i32* %mem, i32 %val) nounwind {
- %tmp = call i32 @llvm.atomic.swap.i32( i32* %mem, i32 1 )
- ret i32 %tmp
-}
-
-declare i32 @llvm.atomic.load.add.i32(i32*, i32) nounwind
-declare i32 @llvm.atomic.cmp.swap.i32(i32*, i32, i32) nounwind
-declare i16 @llvm.atomic.cmp.swap.i16(i16*, i16, i16) nounwind
-declare i32 @llvm.atomic.swap.i32(i32*, i32) nounwind