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, 81 deletions

diff --git a/llvm/test/Transforms/LoopDataPrefetch/AArch64/opt-remark.ll b/llvm/test/Transforms/LoopDataPrefetch/AArch64/opt-remark.ll
deleted file mode 100644
index e7d8f5a2ec4..00000000000
--- a/llvm/test/Transforms/LoopDataPrefetch/AArch64/opt-remark.ll
+++ /dev/null
@@ -1,81 +0,0 @@
-; RUN: opt -mcpu=cyclone -mtriple=arm64-apple-ios -loop-data-prefetch \
-; RUN:     -pass-remarks=loop-data-prefetch -S -max-prefetch-iters-ahead=100 \
-; RUN:     < %s 2>&1 | FileCheck %s
-; RUN: opt -mcpu=cyclone -mtriple=arm64-apple-ios -passes=loop-data-prefetch \
-; RUN:     -pass-remarks=loop-data-prefetch -S -max-prefetch-iters-ahead=100 \
-; RUN:     < %s 2>&1 | FileCheck %s
-
-; ModuleID = '/tmp/s.c'
-source_filename = "/tmp/s.c"
-target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
-target triple = "arm64-apple-ios5.0.0"
-
-;   1	struct MyStruct {
-;   2	  int field;
-;   3	  char kk[2044];
-;   4	} *my_struct;
-;   5
-;   6	int f(struct MyStruct *p, int N) {
-;   7	  int total = 0;
-;   8	  for (int i = 0; i < N; i++) {
-;   9	    total += my_struct[i].field;
-;  10	  }
-;  11	  return total;
-;  12	}
-
-; CHECK: remark: /tmp/s.c:9:27: prefetched memory access
-
-%struct.MyStruct = type { i32, [2044 x i8] }
-
-@my_struct = common global %struct.MyStruct* null, align 8
-
-define i32 @f(%struct.MyStruct* nocapture readnone %p, i32 %N) !dbg !6 {
-entry:
-  %cmp6 = icmp sgt i32 %N, 0, !dbg !8
-  br i1 %cmp6, label %for.body.lr.ph, label %for.cond.cleanup, !dbg !9
-
-for.body.lr.ph:                                   ; preds = %entry
-  %0 = load %struct.MyStruct*, %struct.MyStruct** @my_struct, align 8, !dbg !10, !tbaa !11
-  br label %for.body, !dbg !9
-
-for.cond.cleanup:                                 ; preds = %for.body, %entry
-  %total.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
-  ret i32 %total.0.lcssa, !dbg !15
-
-for.body:                                         ; preds = %for.body, %for.body.lr.ph
-  %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
-  %total.07 = phi i32 [ 0, %for.body.lr.ph ], [ %add, %for.body ]
-  %field = getelementptr inbounds %struct.MyStruct, %struct.MyStruct* %0, i64 %indvars.iv, i32 0, !dbg !16
-  %1 = load i32, i32* %field, align 4, !dbg !16, !tbaa !17
-  %add = add nsw i32 %1, %total.07, !dbg !20
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !9
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !9
-  %exitcond = icmp eq i32 %lftr.wideiv, %N, !dbg !9
-  br i1 %exitcond, label %for.cond.cleanup, label %for.body, !dbg !9
-}
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!3, !4}
-!llvm.ident = !{!5}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2)
-!1 = !DIFile(filename: "/tmp/s.c", directory: "/tmp")
-!2 = !{}
-!3 = !{i32 2, !"Debug Info Version", i32 3}
-!4 = !{i32 1, !"PIC Level", i32 2}
-!5 = !{!"clang version 3.9.0"}
-!6 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 6, type: !7, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
-!7 = !DISubroutineType(types: !2)
-!8 = !DILocation(line: 8, column: 21, scope: !6)
-!9 = !DILocation(line: 8, column: 3, scope: !6)
-!10 = !DILocation(line: 9, column: 14, scope: !6)
-!11 = !{!12, !12, i64 0}
-!12 = !{!"any pointer", !13, i64 0}
-!13 = !{!"omnipotent char", !14, i64 0}
-!14 = !{!"Simple C/C++ TBAA"}
-!15 = !DILocation(line: 11, column: 3, scope: !6)
-!16 = !DILocation(line: 9, column: 27, scope: !6)
-!17 = !{!18, !19, i64 0}
-!18 = !{!"MyStruct", !19, i64 0, !13, i64 4}
-!19 = !{!"int", !13, i64 0}
-!20 = !DILocation(line: 9, column: 11, scope: !6)