Temporarily Revert "Add basic loop fusion pass."

As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546

1 files changed, 0 insertions, 49 deletions

diff --git a/llvm/test/Transforms/SimplifyCFG/fold-branch-debuginvariant.ll b/llvm/test/Transforms/SimplifyCFG/fold-branch-debuginvariant.ll
deleted file mode 100644
index 7b26b6f95de..00000000000
--- a/llvm/test/Transforms/SimplifyCFG/fold-branch-debuginvariant.ll
+++ /dev/null
@@ -1,49 +0,0 @@
-; RUN: opt < %s -simplifycfg -S | FileCheck %s
-; RUN: opt < %s -strip-debug -simplifycfg -S | FileCheck %s
-
-; Verify that the and.2 instruction is eliminated even in the presence of a
-; preceding debug intrinsic.
-
-; CHECK-LABEL: bb1:
-; CHECK: and i1 false, false
-; CHECK-LABEL: bb2:
-; CHECK-NOT: and i1 false, false
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-; Function Attrs: norecurse nounwind
-define void @foo() local_unnamed_addr #0 !dbg !4 {
-bb1:
-  %and.1 = and i1 false, false
-  %cmp = icmp eq i16 0, 0
-  br i1 %cmp, label %bb2, label %bb3
-
-bb2:                                              ; preds = %bb1
-  call void @llvm.dbg.value(metadata i16 0, metadata !8, metadata !DIExpression()), !dbg !9
-  %and.2 = and i1 false, false
-  br label %bb3
-
-bb3:                                              ; preds = %bb2, %bb1
-  ret void
-}
-
-; Function Attrs: nounwind readnone speculatable
-declare void @llvm.dbg.value(metadata, metadata, metadata) #1
-
-attributes #0 = { norecurse nounwind }
-attributes #1 = { nounwind readnone speculatable }
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!3}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "Foo", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2)
-!1 = !DIFile(filename: "foo.c", directory: "/")
-!2 = !{}
-!3 = !{i32 2, !"Debug Info Version", i32 3}
-!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 10, type: !5, isLocal: false, isDefinition: true, scopeLine: 10, isOptimized: false, unit: !0, retainedNodes: !2)
-!5 = !DISubroutineType(types: !6)
-!6 = !{null, !7}
-!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!8 = !DILocalVariable(name: "p_1", arg: 1, scope: !4, line: 4, type: !7)
-!9 = distinct !DILocation(line: 11, column: 3, scope: !4)