diff options
Diffstat (limited to 'lib/Target/X86/InstSelectSimple.cpp')
| -rw-r--r-- | lib/Target/X86/InstSelectSimple.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/Target/X86/InstSelectSimple.cpp b/lib/Target/X86/InstSelectSimple.cpp index 3a12d5e2c9..0df00e2f94 100644 --- a/lib/Target/X86/InstSelectSimple.cpp +++ b/lib/Target/X86/InstSelectSimple.cpp @@ -79,9 +79,6 @@ namespace { BB = &F->front(); - // Declare that the stack pointer is live on entrance to the function - BuildMI(BB, X86::IMPLICIT_DEF, 0, X86::ESP); - // Copy incoming arguments off of the stack... LoadArgumentsToVirtualRegs(Fn); @@ -677,18 +674,18 @@ void ISel::visitReturnInst(ReturnInst &I) { case cInt: promote32(X86::EAX, ValueRecord(RetReg, RetVal->getType())); // Declare that EAX is live on exit - BuildMI(BB, X86::IMPLICIT_USE, 1).addReg(X86::EAX); + BuildMI(BB, X86::IMPLICIT_USE, 2).addReg(X86::EAX).addReg(X86::ESP); break; case cFP: // Floats & Doubles: Return in ST(0) BuildMI(BB, X86::FpSETRESULT, 1).addReg(RetReg); // Declare that top-of-stack is live on exit - BuildMI(BB, X86::IMPLICIT_USE, 1).addReg(X86::ST0); + BuildMI(BB, X86::IMPLICIT_USE, 2).addReg(X86::ST0).addReg(X86::ESP); break; case cLong: BuildMI(BB, X86::MOVrr32, 1, X86::EAX).addReg(RetReg); BuildMI(BB, X86::MOVrr32, 1, X86::EDX).addReg(RetReg+1); // Declare that EAX & EDX are live on exit - BuildMI(BB, X86::IMPLICIT_USE, 2).addReg(X86::EAX).addReg(X86::EDX); + BuildMI(BB, X86::IMPLICIT_USE, 3).addReg(X86::EAX).addReg(X86::EDX).addReg(X86::ESP); break; default: visitInstruction(I); |