Fix missed case of switching getConstant to getTargetConstant. Try 2.

Summary: This fixes a crasher introduced by r372338.

Reviewers: echristo, arsenm

Subscribers: wdng, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D67850

llvm-svn: 372434

Author: Sterling-Augustine

llvm/lib/Target/X86/X86ISelLowering.cpp

@@ -17608,7 +17608,7 @@ SDValue X86TargetLowering::LowerINSERT_VECTOR_ELT(SDValue Op,
         // operand form.
         N1 = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, MVT::v4f32, N1);
         return DAG.getNode(X86ISD::BLENDI, dl, VT, N0, N1,
-                           DAG.getConstant(1, dl, MVT::i8));
+                           DAG.getTargetConstant(1, dl, MVT::i8));
       }
       // Create this as a scalar to vector..
       N1 = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, MVT::v4f32, N1);

llvm/test/CodeGen/X86/isel-blendi-gettargetconstant.ll

@@ -0,0 +1,19 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-linux-gnu -mattr=sse4.2 | FileCheck %s
+
+define void @csrot_(float* %0) {
+; CHECK-LABEL: csrot_:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
+; CHECK-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; CHECK-NEXT:    xorps %xmm0, %xmm1
+; CHECK-NEXT:    blendps {{.*#+}} xmm1 = xmm1[0],mem[1,2,3]
+; CHECK-NEXT:    movlps %xmm1, (%rax)
+; CHECK-NEXT:    retq
+1:
+  %2 = load float, float* %0, align 4
+  %3 = fsub float -0.000000e+00, %2
+  %4 = insertelement <2 x float> <float undef, float -0.000000e+00>, float %3, i32 0
+  store <2 x float> %4, <2 x float>* undef, align 8
+  ret void
+}