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Teach CodeGen's version of computeMaskedBits to understand the range metadata.

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This is the CodeGen equivalent of r153747. I tested that there is not noticeable
performance difference with any combination of -O0/-O2 /-g when compiling
gcc as a single compilation unit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153817 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2012-03-31 18:14:00 +00:00
parent 5b00ceaeea
commit 95d594cac3
11 changed files with 54 additions and 19 deletions
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5
lib/CodeGen/MachineFunction.cpp
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@ -195,9 +195,10 @@ MachineFunction::DeleteMachineBasicBlock(MachineBasicBlock *MBB) {
MachineMemOperand *
MachineFunction::getMachineMemOperand(MachinePointerInfo PtrInfo, unsigned f,
uint64_t s, unsigned base_alignment,
const MDNode *TBAAInfo) {
const MDNode *TBAAInfo,
const MDNode *Ranges) {
return new (Allocator) MachineMemOperand(PtrInfo, f, s, base_alignment,
TBAAInfo);
TBAAInfo, Ranges);
}
MachineMemOperand *