Support ppcf128 in SelectionDAG::getConstantFP

Fixes pr14751.

Patch by Kai; Thanks!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171261 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index a38b3a5896f1c884494b9fa94da9d86492649d55..ea80acdd5978644e44f6d7185676ba30e33f8f5a 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1075,7 +1075,8 @@ SDValue SelectionDAG::getConstantFP(double Val, EVT VT, bool isTarget) {
     return getConstantFP(APFloat((float)Val), VT, isTarget);
   else if (EltVT==MVT::f64)
     return getConstantFP(APFloat(Val), VT, isTarget);
-  else if (EltVT==MVT::f80 || EltVT==MVT::f128 || EltVT==MVT::f16) {
+  else if (EltVT==MVT::f80 || EltVT==MVT::f128 || EltVT==MVT::ppcf128 ||
+           EltVT==MVT::f16) {
     bool ignored;
     APFloat apf = APFloat(Val);
     apf.convert(*EVTToAPFloatSemantics(EltVT), APFloat::rmNearestTiesToEven,

diff --git a/test/CodeGen/PowerPC/sdag-ppcf128.ll b/test/CodeGen/PowerPC/sdag-ppcf128.ll
new file mode 100644 (file)
index 0000000..535ece6
--- /dev/null
+++ b/test/CodeGen/PowerPC/sdag-ppcf128.ll
@@ -0,0 +1,15 @@
+; RUN: llc -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s
+;
+; PR14751: Unsupported type in SelectionDAG::getConstantFP()
+
+define fastcc void @_D3std4math4sqrtFNaNbNfcZc() {
+entry:
+  br i1 undef, label %if, label %else
+; CHECK: cmplwi 0, 3, 0
+if:                                               ; preds = %entry
+  store { ppc_fp128, ppc_fp128 } zeroinitializer, { ppc_fp128, ppc_fp128 }* undef
+  ret void
+
+else:                                             ; preds = %entry
+  unreachable
+}