Revert "Small refactor on VectorizerHint for deduplication"

This reverts commit r215994 because MSVC 2012 can't cope with its C++11 goodness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215999 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Renato Golin
2014-08-19 18:08:50 +00:00
parent 8841fb5f25
commit 8308f0e30f
2 changed files with 92 additions and 178 deletions

View File

@@ -1,30 +0,0 @@
; RUN: opt < %s -loop-vectorize -S 2>&1 | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; This test makes sure we don't duplicate the loop vectorizer's metadata
; while marking them as already vectorized (by setting width = 1), even
; at lower optimization levels, where no extra cleanup is done
define void @_Z3fooPf(float* %a) {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds float* %a, i64 %indvars.iv
%p = load float* %arrayidx, align 4
%mul = fmul float %p, 2.000000e+00
store float %mul, float* %arrayidx, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 1024
br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0
for.end: ; preds = %for.body
ret void
}
!0 = metadata !{metadata !0, metadata !1}
!1 = metadata !{metadata !"llvm.loop.vectorize.width", i32 4}
; CHECK-NOT: !{metadata !"llvm.loop.vectorize.width", i32 4}
; CHECK: !{metadata !"llvm.loop.interleave.count", i32 1}