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Have a way for a target to opt-out of target-independent fast isel

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llvm-svn: 176136
This commit is contained in:
Michael Ilseman 2013-02-26 23:15:23 +00:00
parent d7e3d527dc
commit 84760d376c
2 changed files with 6 additions and 1 deletions
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5
include/llvm/CodeGen/FastISel.h
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@ -372,6 +372,11 @@ protected:
return 0;
}
/// Whether we should skip target-independent fast-isel
virtual bool SkipTargetIndependentFastISel() {
return false;
}
private:
bool SelectBinaryOp(const User *I, unsigned ISDOpcode);

2
lib/CodeGen/SelectionDAG/FastISel.cpp
View File

@ -822,7 +822,7 @@ FastISel::SelectInstruction(const Instruction *I) {
}
// First, try doing target-independent selection.
if (SelectOperator(I, I->getOpcode())) {
if (!SkipTargetIndependentFastISel() && SelectOperator(I, I->getOpcode())) {
++NumFastIselSuccessIndependent;
DL = DebugLoc();
return true;