diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelSimple.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelSimple.cpp b/llvm/lib/Target/X86/X86ISelSimple.cpp index b783002420d..cd0c0d31475 100644 --- a/llvm/lib/Target/X86/X86ISelSimple.cpp +++ b/llvm/lib/Target/X86/X86ISelSimple.cpp @@ -1735,6 +1735,15 @@ void X86ISel::visitCallInst(CallInst &CI) { if (Intrinsic::ID ID = (Intrinsic::ID)F->getIntrinsicID()) { visitIntrinsicCall(ID, CI); // Special intrinsics are not handled here return; + } else if (F->getName() == "fabs" || F->getName() == "fabsf") { + if (CI.getNumOperands() == 2 && // Basic sanity checks. + CI.getOperand(1)->getType()->isFloatingPoint() && + CI.getType() == CI.getOperand(1)->getType()) { + unsigned op1Reg = getReg(CI.getOperand(1)); + unsigned DestReg = getReg(CI); + BuildMI(BB, X86::FABS, 1, DestReg).addReg(op1Reg); + return; + } } // Emit a CALL instruction with PC-relative displacement. |
