diff options
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp | 6 | ||||
| -rw-r--r-- | llvm/test/CodeGen/AArch64/cmpxchg-O0.ll | 2 |
2 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp b/llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp index 4fb1bb11d1a..db6dcc7131d 100644 --- a/llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp +++ b/llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp @@ -624,7 +624,6 @@ bool AArch64ExpandPseudo::expandCMP_SWAP( // ldaxr xDest, [xAddr] // cmp xDest, xDesired // b.ne .Ldone - MBB.addSuccessor(LoadCmpBB); LoadCmpBB->addLiveIn(Addr.getReg()); LoadCmpBB->addLiveIn(Dest.getReg()); LoadCmpBB->addLiveIn(Desired.getReg()); @@ -663,6 +662,8 @@ bool AArch64ExpandPseudo::expandCMP_SWAP( DoneBB->transferSuccessors(&MBB); addPostLoopLiveIns(DoneBB, LiveRegs); + MBB.addSuccessor(LoadCmpBB); + NextMBBI = MBB.end(); MI.eraseFromParent(); return true; @@ -702,7 +703,6 @@ bool AArch64ExpandPseudo::expandCMP_SWAP_128( // cmp xDestLo, xDesiredLo // sbcs xDestHi, xDesiredHi // b.ne .Ldone - MBB.addSuccessor(LoadCmpBB); LoadCmpBB->addLiveIn(Addr.getReg()); LoadCmpBB->addLiveIn(DestLo.getReg()); LoadCmpBB->addLiveIn(DestHi.getReg()); @@ -749,6 +749,8 @@ bool AArch64ExpandPseudo::expandCMP_SWAP_128( DoneBB->transferSuccessors(&MBB); addPostLoopLiveIns(DoneBB, LiveRegs); + MBB.addSuccessor(LoadCmpBB); + NextMBBI = MBB.end(); MI.eraseFromParent(); return true; diff --git a/llvm/test/CodeGen/AArch64/cmpxchg-O0.ll b/llvm/test/CodeGen/AArch64/cmpxchg-O0.ll index 6c6b022044b..c79d82a6377 100644 --- a/llvm/test/CodeGen/AArch64/cmpxchg-O0.ll +++ b/llvm/test/CodeGen/AArch64/cmpxchg-O0.ll @@ -1,4 +1,4 @@ -; RUN: llc -mtriple=aarch64-linux-gnu -O0 %s -o - | FileCheck %s +; RUN: llc -verify-machineinstrs -mtriple=aarch64-linux-gnu -O0 %s -o - | FileCheck %s define { i8, i1 } @test_cmpxchg_8(i8* %addr, i8 %desired, i8 %new) nounwind { ; CHECK-LABEL: test_cmpxchg_8: |
