Cleanup another place redundant SP maintained
llvm-svn: 167209
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp
index d319d9e..785838e 100644
--- a/llvm/lib/Target/X86/X86FastISel.cpp
+++ b/llvm/lib/Target/X86/X86FastISel.cpp
@@ -45,9 +45,9 @@
/// make the right decision when generating code for different targets.
const X86Subtarget *Subtarget;
- /// StackPtr - Register used as the stack pointer.
+ /// RegInfo - X86 register info.
///
- unsigned StackPtr;
+ const X86RegisterInfo *RegInfo;
/// X86ScalarSSEf32, X86ScalarSSEf64 - Select between SSE or x87
/// floating point ops.
@@ -61,9 +61,9 @@
const TargetLibraryInfo *libInfo)
: FastISel(funcInfo, libInfo) {
Subtarget = &TM.getSubtarget<X86Subtarget>();
- StackPtr = Subtarget->is64Bit() ? X86::RSP : X86::ESP;
X86ScalarSSEf64 = Subtarget->hasSSE2();
X86ScalarSSEf32 = Subtarget->hasSSE1();
+ RegInfo = static_cast<const X86RegisterInfo*>(TM.getRegisterInfo());
}
virtual bool TargetSelectInstruction(const Instruction *I);
@@ -1787,7 +1787,7 @@
} else {
unsigned LocMemOffset = VA.getLocMemOffset();
X86AddressMode AM;
- AM.Base.Reg = StackPtr;
+ AM.Base.Reg = RegInfo->getStackRegister();
AM.Disp = LocMemOffset;
const Value *ArgVal = ArgVals[VA.getValNo()];
ISD::ArgFlagsTy Flags = ArgFlags[VA.getValNo()];