diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 1 | ||||
| -rw-r--r-- | test/CodeGen/X86/2012-07-16-fp2ui-i1.ll | 12 |
2 files changed, 13 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 3947648e6a..cfe71708fe 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -1965,6 +1965,7 @@ void SelectionDAG::ComputeMaskedBits(SDValue Op, APInt &KnownZero, APInt InMask = APInt::getLowBitsSet(BitWidth, VT.getSizeInBits()); ComputeMaskedBits(Op.getOperand(0), KnownZero, KnownOne, Depth+1); KnownZero |= (~InMask); + KnownOne &= (~KnownZero); return; } case ISD::FGETSIGN: diff --git a/test/CodeGen/X86/2012-07-16-fp2ui-i1.ll b/test/CodeGen/X86/2012-07-16-fp2ui-i1.ll new file mode 100644 index 0000000000..17533a1e16 --- /dev/null +++ b/test/CodeGen/X86/2012-07-16-fp2ui-i1.ll @@ -0,0 +1,12 @@ +; RUN: llc < %s -march=x86-64 -mcpu=corei7 + +define void @autogen_SD3100() { +BB: + %FC123 = fptoui float 0x40693F5D00000000 to i1 + br i1 %FC123, label %V, label %W + +V: + ret void +W: + ret void +} |