]> granicus.if.org Git - llvm/commit
[X86][SSE] LowerUINT_TO_FP_i64 - only use HADDPD for size/fast-hops
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 19 Oct 2019 11:53:48 +0000 (11:53 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 19 Oct 2019 11:53:48 +0000 (11:53 +0000)
commit39580be1ee0c1ca9d532985d8f0fa27afab6d453
tree649b603056df162121564feaaec580e615a2215c
parent0b2777c548667bb5f1161343abb052753d707a0f
[X86][SSE] LowerUINT_TO_FP_i64 - only use HADDPD for size/fast-hops

We were always generating a single source HADDPD, but really we should only do this if shouldUseHorizontalOp says its a good idea.

Differential Revision: https://reviews.llvm.org/D69175

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375341 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp
test/CodeGen/X86/avx512-intrinsics-fast-isel.ll
test/CodeGen/X86/haddsub-3.ll
test/CodeGen/X86/haddsub-broadcast.ll
test/CodeGen/X86/scalar-int-to-fp.ll