vendor/llvm/llvm-trunk-r308421

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp b/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
index 9ac768b2189d7..506dc74279932 100644
--- a/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
+++ b/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
@@ -372,6 +372,9 @@ int SystemZTTIImpl::getArithmeticInstrCost(
         Opcode == Instruction::FMul || Opcode == Instruction::FDiv) {
       switch (ScalarBits) {
       case 32: {
+        // The vector enhancements facility 1 provides v4f32 instructions.
+        if (ST->hasVectorEnhancements1())
+          return NumVectors;
         // Return the cost of multiple scalar invocation plus the cost of
         // inserting and extracting the values.
         unsigned ScalarCost = getArithmeticInstrCost(Opcode, Ty->getScalarType());