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, 38 deletions

diff --git a/llvm/test/Transforms/LoopStrengthReduce/X86/lsr-overflow.ll b/llvm/test/Transforms/LoopStrengthReduce/X86/lsr-overflow.ll
deleted file mode 100644
index 0b71d92bf2a..00000000000
--- a/llvm/test/Transforms/LoopStrengthReduce/X86/lsr-overflow.ll
+++ /dev/null
@@ -1,38 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -lsr-complexity-limit=50 -loop-reduce -S %s | FileCheck %s
-
-target triple = "x86_64-apple-macosx10.14.0"
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-
-define void @overflow1(i64 %a) {
-; CHECK-LABEL: @overflow1(
-; CHECK-NEXT:  bb:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[A:%.*]], -1
-; CHECK-NEXT:    br label [[BB1:%.*]]
-; CHECK:       bb1:
-; CHECK-NEXT:    [[LSR_IV:%.*]] = phi i64 [ [[LSR_IV_NEXT:%.*]], [[BB1]] ], [ [[TMP0]], [[BB:%.*]] ]
-; CHECK-NEXT:    [[TMP1:%.*]] = add i64 [[LSR_IV]], -9223372036854775808
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP1]], -1
-; CHECK-NEXT:    [[TMP5:%.*]] = and i1 [[TMP4]], true
-; CHECK-NEXT:    [[LSR_IV_NEXT]] = add i64 [[LSR_IV]], 1
-; CHECK-NEXT:    br i1 [[TMP5]], label [[BB1]], label [[BB7:%.*]]
-; CHECK:       bb7:
-; CHECK-NEXT:    [[TMP9:%.*]] = and i64 [[LSR_IV_NEXT]], 1
-; CHECK-NEXT:    [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 0
-; CHECK-NEXT:    unreachable
-;
-bb:
-  br label %bb1
-
-bb1:                                              ; preds = %bb1, %bb
-  %tmp = phi i64 [ %a, %bb ], [ %tmp6, %bb1 ]
-  %tmp4 = icmp ne i64 %tmp, -9223372036854775808
-  %tmp5 = and i1 %tmp4, 1
-  %tmp6 = add i64 %tmp, 1
-  br i1 %tmp5, label %bb1, label %bb7
-
-bb7:                                              ; preds = %bb1
-  %tmp9 = and i64 %tmp, 1
-  %tmp10 = icmp eq i64 %tmp9, 0
-  unreachable
-}