diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetTransformInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index 437f63d3280..c04964d60bf 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -915,6 +915,9 @@ unsigned X86TTI::getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, switch (Opcode) { default: return TCC_Free; case Instruction::GetElementPtr: + // Always hoist the base address of a GetElementPtr. This prevents the + // creation of new constants for every base constant that gets constant + // folded with the offset. if (Idx == 0) return 2 * TCC_Basic; return TCC_Free; |
