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disable NewGVN

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closes #673
This commit is contained in:
Andrew Kelley 2018-01-06 00:15:37 -05:00
parent e08a4ea62d
commit 17e68c4a11
1 changed files with 2 additions and 1 deletions
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src/zig_llvm.cpp
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@ -126,7 +126,8 @@ bool ZigLLVMTargetMachineEmitToFile(LLVMTargetMachineRef targ_machine_ref, LLVMM
PMBuilder->SLPVectorize = !is_debug;
PMBuilder->LoopVectorize = !is_debug;
PMBuilder->RerollLoops = !is_debug;
PMBuilder->NewGVN = !is_debug;
// Leaving NewGVN as default (off) because when on it caused issue #673
//PMBuilder->NewGVN = !is_debug;
PMBuilder->DisableGVNLoadPRE = is_debug;
PMBuilder->VerifyInput = assertions_on;
PMBuilder->VerifyOutput = assertions_on;