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Revert test change in r282894 as it's broken in some platforms.

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llvm-svn: 282903
This commit is contained in:
Dehao Chen 2016-09-30 19:25:23 +00:00
parent f845a3821b
commit 9a6d19a0c6
1 changed files with 2 additions and 40 deletions
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42
test/Transforms/LoopUnroll/unroll-pragmas.ll
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@ -1,5 +1,5 @@
; RUN: opt < %s -loop-unroll -pragma-unroll-threshold=1024 -unroll-max-iteration-count-to-analyze=40 -S | FileCheck %s
; RUN: opt < %s -loop-unroll -loop-unroll -pragma-unroll-threshold=1024 -unroll-max-iteration-count-to-analyze=40 -S | FileCheck %s
; RUN: opt < %s -loop-unroll -pragma-unroll-threshold=1024 -S | FileCheck %s
; RUN: opt < %s -loop-unroll -loop-unroll -pragma-unroll-threshold=1024 -S | FileCheck %s
;
; Run loop unrolling twice to verify that loop unrolling metadata is properly
; removed and further unrolling is disabled after the pass is run once.
@ -31,31 +31,6 @@ for.end: ; preds = %for.body
ret void
}
; loop4_with_dbg contains a small loop which should be completely unrolled by
; the default unrolling heuristics. There is DbgInfoIntrinsic inside the loop
; body, which should not block unrolling.
;
; CHECK-LABEL: @loop4_dbg(
; CHECK-NOT: br i1
define void @loop4_dbg(i32* nocapture %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 i32, i32* %a, i64 %indvars.iv
%0 = load i32, i32* %arrayidx, align 4
call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !22, metadata !DIExpression()), !dbg !24
%inc = add nsw i32 %0, 1
store i32 %inc, i32* %arrayidx, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 40
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
ret void
}
; #pragma clang loop unroll(disable)
;
; CHECK-LABEL: @loop4_with_disable(
@ -382,18 +357,5 @@ for.body: ; preds = %entry, %for.body
for.end: ; preds = %for.body, %entry
ret void
}
declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
!llvm.module.flags = !{!18, !19}
!llvm.dbg.cu = !{!20}
!16 = !{!16, !17}
!17 = !{!"llvm.loop.unroll.count", i32 3}
!18 = !{i32 2, !"Dwarf Version", i32 4}
!19 = !{i32 2, !"Debug Info Version", i32 3}
!20 = distinct !DICompileUnit(language: DW_LANG_C99, file: !23)
!21 = distinct !DISubprogram(name: "foo", unit: !20)
!22 = !DILocalVariable(name: "b", line: 1, arg: 2, scope: !21)
!23 = !DIFile(filename: "a.c", directory: "a/b")
!24 = !DILocation(line: 1, column: 14, scope: !21)