diff options
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 3 | ||||
| -rw-r--r-- | test/CodeGen/X86/2012-12-14-v8fp80-crash.ll | 22 |
2 files changed, 25 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 23301b60c2..d4ee985ca6 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -11742,6 +11742,7 @@ void X86TargetLowering::ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results, SelectionDAG &DAG) const { DebugLoc dl = N->getDebugLoc(); + const TargetLowering &TLI = DAG.getTargetLoweringInfo(); switch (N->getOpcode()) { default: llvm_unreachable("Do not know how to custom type legalize this operation!"); @@ -11791,6 +11792,8 @@ void X86TargetLowering::ReplaceNodeResults(SDNode *N, return; } case ISD::FP_ROUND: { + if (!TLI.isTypeLegal(N->getOperand(0).getValueType())) + return; SDValue V = DAG.getNode(X86ISD::VFPROUND, dl, MVT::v4f32, N->getOperand(0)); Results.push_back(V); return; diff --git a/test/CodeGen/X86/2012-12-14-v8fp80-crash.ll b/test/CodeGen/X86/2012-12-14-v8fp80-crash.ll new file mode 100644 index 0000000000..c465527bd8 --- /dev/null +++ b/test/CodeGen/X86/2012-12-14-v8fp80-crash.ll @@ -0,0 +1,22 @@ +; RUN: llc < %s -march=x86 -mcpu=corei7 -mtriple=i686-pc-win32 + +; Make sure we don't crash on this testcase. + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.9.0" + +define void @_ZN6VectorIfE3equIeEEvfRKS_IT_E() nounwind uwtable ssp align 2 { +entry: + br i1 undef, label %while.end, label %while.body.lr.ph + +while.body.lr.ph: ; preds = %entry + br label %vector.body + +vector.body: ; preds = %vector.body, %while.body.lr.ph + %0 = fptrunc <8 x x86_fp80> undef to <8 x float> + store <8 x float> %0, <8 x float>* undef, align 4 + br label %vector.body + +while.end: ; preds = %entry + ret void +} |