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AMDGPU: Use getAsInteger instead of atoi

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240365 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
2015-06-23 02:05:55 +00:00
parent c49542e5bb
commit 080d72c9a5
1 changed files with 5 additions and 3 deletions
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8
lib/Target/AMDGPU/SIISelLowering.cpp
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@@ -2211,8 +2211,9 @@ SDValue SITargetLowering::CreateLiveInRegister(SelectionDAG &DAG,
std::pair<unsigned, const TargetRegisterClass *> std::pair<unsigned, const TargetRegisterClass *>
SITargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI, SITargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI,
const std::string &Constraint, const std::string &Constraint_,
MVT VT) const { MVT VT) const {
StringRef Constraint(Constraint_);
if (Constraint == "r") { if (Constraint == "r") {
switch(VT.SimpleTy) { switch(VT.SimpleTy) {
default: llvm_unreachable("Unhandled type for 'r' inline asm constraint"); default: llvm_unreachable("Unhandled type for 'r' inline asm constraint");
@@ -2232,8 +2233,9 @@ SITargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI,
} }
if (RC) { if (RC) {
unsigned Idx = std::atoi(Constraint.substr(2).c_str()); uint32_t Idx;
if (Idx < RC->getNumRegs()) bool Failed = Constraint.substr(2).getAsInteger(10, Idx);
if (!Failed && Idx < RC->getNumRegs())
return std::make_pair(RC->getRegister(Idx), RC); return std::make_pair(RC->getRegister(Idx), RC);
} }
} }