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Do not use the POLLY vector code generator if only strip-mining is requested 

This fixes http://llvm.org/PR23127

Reported-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
llvm-svn: 234113
This commit is contained in:
Tobias Grosser 2015-04-05 06:53:21 +00:00
parent fe4bb1c81b
commit 7527e3f59c
2 changed files with 4 additions and 1 deletions
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2
polly/lib/CodeGen/IslCodeGeneration.cpp
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@ -693,7 +693,7 @@ void IslNodeBuilder::createForParallel(__isl_take isl_ast_node *For) {
}
void IslNodeBuilder::createFor(__isl_take isl_ast_node *For) {
bool Vector = PollyVectorizerChoice != VECTORIZER_NONE;
bool Vector = PollyVectorizerChoice == VECTORIZER_POLLY;
if (Vector && IslAstInfo::isInnermostParallel(For) &&
!IslAstInfo::isReductionParallel(For)) {

3
polly/test/Isl/CodeGen/simple_vec_assign_scalar.ll
View File

@ -1,4 +1,5 @@
; RUN: opt %loadPolly -polly-detect-unprofitable -basicaa -polly-codegen-isl -polly-vectorizer=polly -dce -S < %s | FileCheck %s
; RUN: opt %loadPolly -polly-detect-unprofitable -basicaa -polly-codegen-isl -polly-vectorizer=stripmine -dce -S < %s | FileCheck %s --check-prefix=STRIPMINE
;#define N 1024
;float A[N];
@ -55,6 +56,8 @@ bb:
ret i32 %tmp1
}
; STRIPMINE-NOT: <4 x float>
; CHECK: %tmp_p_vec_full = load <4 x float>, <4 x float>* bitcast ([1024 x float]* @A to <4 x float>*), align 8, !alias.scope !0, !noalias !2
; CHECK: %tmp4p_vec = fadd <4 x float> %tmp_p_vec_full, <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>
; CHECK: store <4 x float> %tmp4p_vec, <4 x float>* bitcast ([1024 x float]* @B to <4 x float>*), align 8, !alias.scope !3, !noalias !4