[X86] enable memory interleaving for X86\SLM arch.
Differential Revision: https://reviews.llvm.org/D28547
llvm-svn: 293040
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index 0735848..bd7fa9c 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -2147,7 +2147,7 @@
// TODO: We expect this to be beneficial regardless of arch,
// but there are currently some unexplained performance artifacts on Atom.
// As a temporary solution, disable on Atom.
- return !(ST->isAtom() || ST->isSLM());
+ return !(ST->isAtom());
}
// Get estimation for interleaved load/store operations and strided load.
diff --git a/llvm/test/Transforms/LoopVectorize/X86/interleaving.ll b/llvm/test/Transforms/LoopVectorize/X86/interleaving.ll
index de5db53..9294c92 100644
--- a/llvm/test/Transforms/LoopVectorize/X86/interleaving.ll
+++ b/llvm/test/Transforms/LoopVectorize/X86/interleaving.ll
@@ -1,4 +1,5 @@
; RUN: opt -S -mtriple=x86_64-pc_linux -loop-vectorize -instcombine < %s | FileCheck %s --check-prefix=NORMAL
+; RUN: opt -S -mtriple=x86_64-pc_linux -loop-vectorize -instcombine -mcpu=slm < %s | FileCheck %s --check-prefix=NORMAL
; RUN: opt -S -mtriple=x86_64-pc_linux -loop-vectorize -instcombine -mcpu=atom < %s | FileCheck %s --check-prefix=ATOM
; NORMAL-LABEL: foo