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, 96 deletions

diff --git a/llvm/test/Transforms/SafeStack/X86/debug-loc2.ll b/llvm/test/Transforms/SafeStack/X86/debug-loc2.ll
deleted file mode 100644
index afa143f9c08..00000000000
--- a/llvm/test/Transforms/SafeStack/X86/debug-loc2.ll
+++ /dev/null
@@ -1,96 +0,0 @@
-; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
-
-; Test llvm.dbg.value for the local variables moved onto the unsafe stack.
-; SafeStack rewrites them relative to the unsafe stack pointer (base address of
-; the unsafe stack frame).
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-; Function Attrs: noinline safestack uwtable
-define void @f() #0 !dbg !6 {
-entry:
-; CHECK:   %[[USP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
-  %x1 = alloca i32, align 4
-  %x2 = alloca i32, align 4
-  %0 = bitcast i32* %x1 to i8*, !dbg !13
-  %1 = bitcast i32* %x2 to i8*, !dbg !14
-
-; Unhandled dbg.value: expression does not start with OP_DW_deref
-; CHECK: call void @llvm.dbg.value(metadata ![[EMPTY:.*]], metadata !{{.*}}, metadata !{{.*}})
-  tail call void @llvm.dbg.value(metadata i32* %x1, metadata !10, metadata !23), !dbg !16
-
-; Unhandled dbg.value: expression does not start with OP_DW_deref
-; CHECK: call void @llvm.dbg.value(metadata ![[EMPTY]], metadata !{{.*}}, metadata !{{.*}})
-  tail call void @llvm.dbg.value(metadata i32* %x1, metadata !10, metadata !24), !dbg !16
-
-; Supported dbg.value: rewritted based on the [[USP]] value.
-; CHECK: call void @llvm.dbg.value(metadata i8* %[[USP]], metadata ![[X1:.*]], metadata !DIExpression(DW_OP_deref, DW_OP_constu, 4, DW_OP_minus))
-  tail call void @llvm.dbg.value(metadata i32* %x1, metadata !10, metadata !15), !dbg !16
-  call void @capture(i32* nonnull %x1), !dbg !17
-
-; An extra non-dbg.value metadata use of %x2. Replaced with an empty metadata.
-; CHECK: call void @llvm.random.metadata.use(metadata ![[EMPTY]])
-  call void @llvm.random.metadata.use(metadata i32* %x2)
-
-; CHECK: call void @llvm.dbg.value(metadata i8* %[[USP]], metadata ![[X2:.*]], metadata !DIExpression(DW_OP_deref, DW_OP_constu, 8, DW_OP_minus))
-  call void @llvm.dbg.value(metadata i32* %x2, metadata !12, metadata !15), !dbg !18
-  call void @capture(i32* nonnull %x2), !dbg !19
-  ret void, !dbg !20
-}
-
-; Function Attrs: argmemonly nounwind
-declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
-
-declare void @capture(i32*) #2
-
-; Function Attrs: argmemonly nounwind
-declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
-
-; Function Attrs: nounwind readnone
-declare void @llvm.dbg.value(metadata, metadata, metadata) #3
-
-declare void @llvm.random.metadata.use(metadata)
-
-attributes #0 = { noinline safestack uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #1 = { argmemonly nounwind }
-attributes #2 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #3 = { nounwind readnone }
-attributes #4 = { nounwind }
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!3, !4}
-!llvm.ident = !{!5}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 271022) (llvm/trunk 271027)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
-!1 = !DIFile(filename: "../llvm/2.cc", directory: "/code/build-llvm")
-
-; CHECK-DAG: ![[EMPTY]] = !{}
-!2 = !{}
-!3 = !{i32 2, !"Dwarf Version", i32 4}
-!4 = !{i32 2, !"Debug Info Version", i32 3}
-!5 = !{!"clang version 3.9.0 (trunk 271022) (llvm/trunk 271027)"}
-!6 = distinct !DISubprogram(name: "f", linkageName: "_Z1fv", scope: !1, file: !1, line: 4, type: !7, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !9)
-!7 = !DISubroutineType(types: !8)
-!8 = !{null}
-!9 = !{!10, !12}
-
-; CHECK-DAG: ![[X1]] = !DILocalVariable(name: "x1",
-!10 = !DILocalVariable(name: "x1", scope: !6, file: !1, line: 5, type: !11)
-!11 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
-
-; CHECK-DAG: ![[X2]] = !DILocalVariable(name: "x2",
-!12 = !DILocalVariable(name: "x2", scope: !6, file: !1, line: 6, type: !11)
-!13 = !DILocation(line: 5, column: 3, scope: !6)
-!14 = !DILocation(line: 6, column: 3, scope: !6)
-
-!15 = !DIExpression(DW_OP_deref)
-!16 = !DILocation(line: 5, column: 7, scope: !6)
-!17 = !DILocation(line: 8, column: 3, scope: !6)
-!18 = !DILocation(line: 6, column: 7, scope: !6)
-!19 = !DILocation(line: 9, column: 3, scope: !6)
-!20 = !DILocation(line: 10, column: 1, scope: !6)
-!21 = !DILocation(line: 10, column: 1, scope: !22)
-!22 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 1)
-!23 = !DIExpression()
-!24 = !DIExpression(DW_OP_constu, 42, DW_OP_minus)