maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Enable disabled loopidiom test. Apparently we handle it now 

Summary:
Enable disabled loopidiom test. Apparently we handle it now.
Maybe due to improvements to AA.

Reviewers: atrick, danielcdh, hfinkel

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D28171

llvm-svn: 290900
This commit is contained in:
Xin Tong 2017-01-03 19:08:05 +00:00
parent 4986e819dc
commit 883dd1b6c4
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
llvm/test/Transforms/LoopIdiom/basic.ll
View File

@ -97,8 +97,7 @@ for.end: ; preds = %entry
; CHECK: ret void
}
;; TODO: We should be able to promote this memset. Not yet though.
; Make sure the first store in the loop is turned into a memset.
define void @test4(i8* %Base) nounwind ssp {
bb.nph: ; preds = %entry
%Base100 = getelementptr i8, i8* %Base, i64 1000
@ -118,9 +117,8 @@ for.body: ; preds = %bb.nph, %for.body
for.end: ; preds = %for.body, %entry
ret void
; CHECK-TODO-LABEL: @test4(
; CHECK-TODO: call void @llvm.memset.p0i8.i64(i8* %Base, i8 0, i64 100, i32 1, i1 false)
; CHECK-TODO-NOT: store
; CHECK-LABEL: @test4(
; CHECK: call void @llvm.memset.p0i8.i64(i8* %Base, i8 0, i64 100, i32 1, i1 false)
}
; This can't be promoted: the memset is a store of a loop variant value.