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author | Dan Gohman <dan433584@gmail.com> | 2015-08-24 16:51:46 +0000 |
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committer | Dan Gohman <dan433584@gmail.com> | 2015-08-24 16:51:46 +0000 |
commit | 01612f627d86321f352c6b4fbd05394be36778a2 (patch) | |
tree | 0f0b8351a9c67aef0d13d431571bfcfd070af3d3 /llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp | |
parent | e419a7c307b91b359dfd6b9dd78666d02bf478a7 (diff) | |
download | llvm-01612f627d86321f352c6b4fbd05394be36778a2.zip llvm-01612f627d86321f352c6b4fbd05394be36778a2.tar.gz llvm-01612f627d86321f352c6b4fbd05394be36778a2.tar.bz2 |
[WebAssembly] Tell TargetTransformInfo about popcnt and sqrt.
llvm-svn: 245853
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp')
-rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp index fa88ed5..559932f 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp @@ -21,8 +21,13 @@ using namespace llvm; #define DEBUG_TYPE "wasmtti" TargetTransformInfo::PopcntSupportKind -WebAssemblyTTIImpl::getPopcntSupport(unsigned TyWidth) { +WebAssemblyTTIImpl::getPopcntSupport(unsigned TyWidth) const { assert(isPowerOf2_32(TyWidth) && "Ty width must be power of 2"); - // TODO: Make Math.popcount32 happen in WebAssembly. - return TTI::PSK_Software; + return TargetTransformInfo::PSK_FastHardware; +} + +bool +WebAssemblyTTIImpl::haveFastSqrt(Type *Ty) const { + assert(Ty->isFPOrFPVectorTy() && "Ty must be floating point"); + return true; } |