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Move the GEP handling in CodeGenPrepare to OptimizeInst().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122944 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1003,6 +1003,17 @@ bool CodeGenPrepare::OptimizeInst(Instruction *I) {
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MadeChange |= OptimizeMemoryInst(I, SI->getOperand(1),
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SI->getOperand(0)->getType(),
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SunkAddrs);
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} else if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(I)) {
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if (GEPI->hasAllZeroIndices()) {
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/// The GEP operand must be a pointer, so must its result -> BitCast
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Instruction *NC = new BitCastInst(GEPI->getOperand(0), GEPI->getType(),
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GEPI->getName(), GEPI);
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GEPI->replaceAllUsesWith(NC);
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GEPI->eraseFromParent();
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++NumGEPsElim;
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MadeChange = true;
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OptimizeInst(NC);
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}
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}
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return MadeChange;
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@ -1031,18 +1042,7 @@ bool CodeGenPrepare::OptimizeBlock(BasicBlock &BB) {
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for (BasicBlock::iterator BBI = BB.begin(), E = BB.end(); BBI != E; ) {
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Instruction *I = BBI++;
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if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(I)) {
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if (GEPI->hasAllZeroIndices()) {
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/// The GEP operand must be a pointer, so must its result -> BitCast
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Instruction *NC = new BitCastInst(GEPI->getOperand(0), GEPI->getType(),
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GEPI->getName(), GEPI);
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GEPI->replaceAllUsesWith(NC);
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GEPI->eraseFromParent();
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++NumGEPsElim;
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MadeChange = true;
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BBI = NC;
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}
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} else if (CallInst *CI = dyn_cast<CallInst>(I)) {
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if (CallInst *CI = dyn_cast<CallInst>(I)) {
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// If we found an inline asm expession, and if the target knows how to
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// lower it to normal LLVM code, do so now.
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if (TLI && isa<InlineAsm>(CI->getCalledValue())) {
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