From a067b0926ff668bded848bdb7426f2ace9235fb1 Mon Sep 17 00:00:00 2001
From: Dehao Chen <dehao@google.com>
Date: Fri, 30 Sep 2016 19:25:23 +0000
Subject: [PATCH] Revert test change in r282894 as it's broken in some
 platforms.

llvm-svn: 282903
---
 llvm/test/Transforms/LoopUnroll/unroll-pragmas.ll | 42 ++---------------------
 1 file changed, 2 insertions(+), 40 deletions(-)

diff --git a/llvm/test/Transforms/LoopUnroll/unroll-pragmas.ll b/llvm/test/Transforms/LoopUnroll/unroll-pragmas.ll
index 889a25b..2843e62 100644
--- a/llvm/test/Transforms/LoopUnroll/unroll-pragmas.ll
+++ b/llvm/test/Transforms/LoopUnroll/unroll-pragmas.ll
@@ -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)
-- 
2.7.4