diff --git a/include/llvm/CodeGen/BasicTTIImpl.h b/include/llvm/CodeGen/BasicTTIImpl.h index 742fded56a8..e3e167c318e 100644 --- a/include/llvm/CodeGen/BasicTTIImpl.h +++ b/include/llvm/CodeGen/BasicTTIImpl.h @@ -1150,21 +1150,15 @@ public: break; case Intrinsic::cttz: - // FIXME: all cost kinds should default to the same thing? - if (CostKind != TTI::TCK_RecipThroughput) { - if (getTLI()->isCheapToSpeculateCttz()) - return TargetTransformInfo::TCC_Basic; - return BaseT::getIntrinsicInstrCost(ICA, CostKind); - } + // FIXME: If necessary, this should go in target-specific overrides. + if (VF == 1 && RetVF == 1 && getTLI()->isCheapToSpeculateCttz()) + return TargetTransformInfo::TCC_Basic; break; case Intrinsic::ctlz: - // FIXME: all cost kinds should default to the same thing? - if (CostKind != TTI::TCK_RecipThroughput) { - if (getTLI()->isCheapToSpeculateCtlz()) - return TargetTransformInfo::TCC_Basic; - return BaseT::getIntrinsicInstrCost(ICA, CostKind); - } + // FIXME: If necessary, this should go in target-specific overrides. + if (VF == 1 && RetVF == 1 && getTLI()->isCheapToSpeculateCtlz()) + return TargetTransformInfo::TCC_Basic; break; case Intrinsic::memcpy: diff --git a/test/Analysis/CostModel/X86/intrinsic-cost-kinds.ll b/test/Analysis/CostModel/X86/intrinsic-cost-kinds.ll index 806bf251a10..c76585a51ef 100644 --- a/test/Analysis/CostModel/X86/intrinsic-cost-kinds.ll +++ b/test/Analysis/CostModel/X86/intrinsic-cost-kinds.ll @@ -95,13 +95,13 @@ define void @cttz(i32 %a, <16 x i32> %va) { ; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void ; ; SIZE-LABEL: 'cttz' -; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.cttz.i32(i32 %a, i1 false) -; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.cttz.v16i32(<16 x i32> %va, i1 false) +; SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %s = call i32 @llvm.cttz.i32(i32 %a, i1 false) +; SIZE-NEXT: Cost Model: Found an estimated cost of 72 for instruction: %v = call <16 x i32> @llvm.cttz.v16i32(<16 x i32> %va, i1 false) ; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void ; ; SIZE_LATE-LABEL: 'cttz' -; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.cttz.i32(i32 %a, i1 false) -; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.cttz.v16i32(<16 x i32> %va, i1 false) +; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %s = call i32 @llvm.cttz.i32(i32 %a, i1 false) +; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 72 for instruction: %v = call <16 x i32> @llvm.cttz.v16i32(<16 x i32> %va, i1 false) ; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void ; %s = call i32 @llvm.cttz.i32(i32 %a, i1 false) @@ -121,13 +121,13 @@ define void @ctlz(i32 %a, <16 x i32> %va) { ; LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void ; ; SIZE-LABEL: 'ctlz' -; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.ctlz.i32(i32 %a, i1 true) -; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %va, i1 true) +; SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %s = call i32 @llvm.ctlz.i32(i32 %a, i1 true) +; SIZE-NEXT: Cost Model: Found an estimated cost of 104 for instruction: %v = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %va, i1 true) ; SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void ; ; SIZE_LATE-LABEL: 'ctlz' -; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %s = call i32 @llvm.ctlz.i32(i32 %a, i1 true) -; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %va, i1 true) +; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %s = call i32 @llvm.ctlz.i32(i32 %a, i1 true) +; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 104 for instruction: %v = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %va, i1 true) ; SIZE_LATE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void ; %s = call i32 @llvm.ctlz.i32(i32 %a, i1 true)