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| author | Dan Gohman <gohman@apple.com> | 2009-04-13 15:16:56 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-04-13 15:16:56 +0000 |
| commit | 6ed0e20eb2dee4b08d33917ba569ad448aa0f047 (patch) | |
| tree | 0b773a723e3867cf89d443ef3fa48d0264ff36b4 | |
| parent | 3cd0aa3260c3e97cadd66b9b00ed724821b87f67 (diff) | |
| download | external_llvm-6ed0e20eb2dee4b08d33917ba569ad448aa0f047.tar.gz external_llvm-6ed0e20eb2dee4b08d33917ba569ad448aa0f047.tar.bz2 external_llvm-6ed0e20eb2dee4b08d33917ba569ad448aa0f047.zip | |
Add an assertion to verify that a copy was actually emitted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68953 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index 8aa866ea29..20770a17ef 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -857,7 +857,8 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) { ReMatRegs.set(regB); ++NumReMats; } else { - TII->copyRegToReg(*mbbi, mi, regA, regB, rc, rc); + bool Emitted = TII->copyRegToReg(*mbbi, mi, regA, regB, rc, rc); + assert(Emitted && "Unable to issue a copy instruction!\n"); } MachineBasicBlock::iterator prevMI = prior(mi); |