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Fix pr4202: Disable CodePlacementOpt for ARM. The ARMConstantIslandPass has

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to run last because it needs to know the exact size and position of every
basic block.  Currently CodePlacementOpt is set up to run last.  It might be
worthwhile to investigate reordering these passes, but for now, let's just
make it work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72037 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2009-05-18 20:55:32 +00:00
parent e2b201bac3
commit e6abdffe06
1 changed files with 4 additions and 1 deletions
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5
lib/Target/ARM/ARMISelLowering.cpp
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@ -288,7 +288,10 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
setIfCvtDupBlockSizeLimit(Subtarget->isThumb() ? 0 : 2);
maxStoresPerMemcpy = 1; //// temporary - rewrite interface to use type
benefitFromCodePlacementOpt = true;
// Do not enable CodePlacementOpt for now: it currently runs after the
// ARMConstantIslandPass and messes up branch relaxation and placement
// of constant islands.
// benefitFromCodePlacementOpt = true;
}
const char *ARMTargetLowering::getTargetNodeName(unsigned Opcode) const {