PPC: Mark vector CC action for SETO and SETONE as Expand

Another bug found by llvm-stress! This fixes hitting
  llvm_unreachable("Invalid integer vector compare condition");
at the end of getVCmpInst in PPCISelDAGToDAG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185855 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 685b082..1759c04 100644 (file)
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -487,6 +487,9 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
     setCondCodeAction(ISD::SETUGE, MVT::v4f32, Expand);
     setCondCodeAction(ISD::SETULT, MVT::v4f32, Expand);
     setCondCodeAction(ISD::SETULE, MVT::v4f32, Expand);
+
+    setCondCodeAction(ISD::SETO,   MVT::v4f32, Expand);
+    setCondCodeAction(ISD::SETONE, MVT::v4f32, Expand);
   }
 
   if (Subtarget->has64BitSupport()) {

diff --git a/test/CodeGen/PowerPC/altivec-ord.ll b/test/CodeGen/PowerPC/altivec-ord.ll
new file mode 100644 (file)
index 0000000..6aea843
--- /dev/null
+++ b/test/CodeGen/PowerPC/altivec-ord.ll
@@ -0,0 +1,17 @@
+; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s
+target triple = "powerpc64-unknown-linux-gnu"
+
+define <4 x i16> @test(<4 x float> %f, <4 x float> %g) {
+entry:
+       %r = fcmp ord <4 x float> %f, %g
+       %s = sext <4 x i1> %r to <4 x i16>
+       ret <4 x i16> %s
+}
+
+define <4 x i16> @test2(<4 x float> %f, <4 x float> %g) {
+entry:
+       %r = fcmp one <4 x float> %f, %g
+       %s = sext <4 x i1> %r to <4 x i16>
+       ret <4 x i16> %s
+}
+