diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/CodeGen/BasicTargetTransformInfo.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/Analysis/CostModel/PowerPC/cmp-expanded.ll | 14 |
2 files changed, 16 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp b/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp index 3e0e09e658e..e79f458efbf 100644 --- a/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp +++ b/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp @@ -468,7 +468,8 @@ unsigned BasicTTI::getCmpSelInstrCost(unsigned Opcode, Type *ValTy, std::pair<unsigned, MVT> LT = TLI->getTypeLegalizationCost(ValTy); - if (!TLI->isOperationExpand(ISD, LT.second)) { + if (!(ValTy->isVectorTy() && !LT.second.isVector()) && + !TLI->isOperationExpand(ISD, LT.second)) { // The operation is legal. Assume it costs 1. Multiply // by the type-legalization overhead. return LT.first * 1; diff --git a/llvm/test/Analysis/CostModel/PowerPC/cmp-expanded.ll b/llvm/test/Analysis/CostModel/PowerPC/cmp-expanded.ll new file mode 100644 index 00000000000..38c8439b9fb --- /dev/null +++ b/llvm/test/Analysis/CostModel/PowerPC/cmp-expanded.ll @@ -0,0 +1,14 @@ +; RUN: opt < %s -cost-model -analyze -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -mattr=-vsx | FileCheck %s +target datalayout = "E-m:e-i64:64-n32:64" +target triple = "powerpc64-unknown-linux-gnu" + +define void @exts() { + + ; VSX is disabled, so this cost needs to include scalarization (because + ; <4 x double> is legalized to scalars). + ; CHECK: cost of 44 {{.*}} fcmp + %v1 = fcmp ugt <4 x double> undef, undef + + ret void +} + |
