diff options
Diffstat (limited to 'llvm/lib/CodeGen/GlobalISel/MachineLegalizePass.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/MachineLegalizePass.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/MachineLegalizePass.cpp b/llvm/lib/CodeGen/GlobalISel/MachineLegalizePass.cpp index 0b8264f613d..bf5025201ba 100644 --- a/llvm/lib/CodeGen/GlobalISel/MachineLegalizePass.cpp +++ b/llvm/lib/CodeGen/GlobalISel/MachineLegalizePass.cpp @@ -54,6 +54,12 @@ bool MachineLegalizePass::runOnMachineFunction(MachineFunction &MF) { // Get the next Instruction before we try to legalize, because there's a // good chance MI will be deleted. NextMI = std::next(MI); + + // Only legalize pre-isel generic instructions: others don't have types + // and are assumed to be legal. + if (!isPreISelGenericOpcode(MI->getOpcode())) + continue; + auto Res = Helper.legalizeInstr(*MI, Legalizer); // Error out if we couldn't legalize this instruction. We may want to fall |
