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, 117 deletions

diff --git a/llvm/test/Transforms/LoopRotate/pr37205.ll b/llvm/test/Transforms/LoopRotate/pr37205.ll
deleted file mode 100644
index 20ad7568189..00000000000
--- a/llvm/test/Transforms/LoopRotate/pr37205.ll
+++ /dev/null
@@ -1,117 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -indvars -verify -loop-rotate -loop-idiom < %s | FileCheck %s
-; RUN: opt -S -indvars -verify -loop-rotate -loop-idiom -enable-mssa-loop-dependency=true -verify-memoryssa < %s | FileCheck %s
-target triple = "x86_64-unknown-linux-gnu"
-
-; Verify that we invalidate SCEV properly.
-
-define void @test_01() {
-; CHECK-LABEL: @test_01(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    br label [[LBL1:%.*]]
-; CHECK:       lbl1:
-; CHECK-NEXT:    br label [[FOR_COND:%.*]]
-; CHECK:       for.cond:
-; CHECK-NEXT:    br i1 false, label [[FOR_BODY3_LR_PH:%.*]], label [[FOR_COND_FOR_END5_CRIT_EDGE:%.*]]
-; CHECK:       for.body3.lr.ph:
-; CHECK-NEXT:    br label [[FOR_BODY3:%.*]]
-; CHECK:       for.cond1:
-; CHECK-NEXT:    br i1 false, label [[FOR_BODY3]], label [[FOR_COND1_FOR_END5_CRIT_EDGE:%.*]]
-; CHECK:       for.body3:
-; CHECK-NEXT:    br i1 false, label [[IF_THEN:%.*]], label [[FOR_COND1:%.*]]
-; CHECK:       if.then:
-; CHECK-NEXT:    br label [[LBL1]]
-; CHECK:       for.cond.for.end5_crit_edge:
-; CHECK-NEXT:    br label [[FOR_END5:%.*]]
-; CHECK:       for.cond1.for.end5_crit_edge:
-; CHECK-NEXT:    br label [[FOR_END5]]
-; CHECK:       for.end5:
-; CHECK-NEXT:    ret void
-;
-entry:
-  br label %lbl1
-
-lbl1:                                             ; preds = %if.then, %entry
-  br label %for.cond
-
-for.cond:                                         ; preds = %lbl1
-  br label %for.cond1
-
-for.cond1:                                        ; preds = %if.end, %for.cond
-  br i1 false, label %for.body3, label %for.end5
-
-for.body3:                                        ; preds = %for.cond1
-  br i1 false, label %if.then, label %if.end
-
-if.then:                                          ; preds = %for.body3
-  br label %lbl1
-
-if.end:                                           ; preds = %for.body3
-  br label %for.cond1
-
-for.end5:                                         ; preds = %for.cond1
-  ret void
-}
-
-define void @test_02() {
-; CHECK-LABEL: @test_02(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    br label [[LBL1:%.*]]
-; CHECK:       lbl1:
-; CHECK-NEXT:    br label [[FOR_COND:%.*]]
-; CHECK:       for.cond:
-; CHECK-NEXT:    br i1 false, label [[IF_THEN:%.*]], label [[IF_END7:%.*]]
-; CHECK:       if.then:
-; CHECK-NEXT:    br i1 false, label [[FOR_BODY_LR_PH:%.*]], label [[IF_THEN_FOR_END6_CRIT_EDGE:%.*]]
-; CHECK:       for.body.lr.ph:
-; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
-; CHECK:       for.body:
-; CHECK-NEXT:    br i1 false, label [[IF_THEN3:%.*]], label [[IF_END:%.*]]
-; CHECK:       if.then3:
-; CHECK-NEXT:    br label [[LBL1]]
-; CHECK:       if.end:
-; CHECK-NEXT:    br label [[FOR_COND4:%.*]]
-; CHECK:       for.cond4:
-; CHECK-NEXT:    br i1 false, label [[FOR_BODY]], label [[FOR_COND1_FOR_END6_CRIT_EDGE:%.*]]
-; CHECK:       if.then.for.end6_crit_edge:
-; CHECK-NEXT:    br label [[FOR_END6:%.*]]
-; CHECK:       for.cond1.for.end6_crit_edge:
-; CHECK-NEXT:    br label [[FOR_END6]]
-; CHECK:       for.end6:
-; CHECK-NEXT:    ret void
-; CHECK:       if.end7:
-; CHECK-NEXT:    unreachable
-;
-entry:
-  br label %lbl1
-
-lbl1:                                             ; preds = %if.then3, %entry
-  br label %for.cond
-
-for.cond:                                         ; preds = %lbl1
-  br i1 false, label %if.then, label %if.end7
-
-if.then:                                          ; preds = %for.cond
-  br label %for.cond1
-
-for.cond1:                                        ; preds = %for.cond4, %if.then
-  br i1 undef, label %for.body, label %for.end6
-
-for.body:                                         ; preds = %for.cond1
-  br i1 false, label %if.then3, label %if.end
-
-if.then3:                                         ; preds = %for.body
-  br label %lbl1
-
-if.end:                                           ; preds = %for.body
-  br label %for.cond4
-
-for.cond4:                                        ; preds = %if.end
-  br label %for.cond1
-
-for.end6:                                         ; preds = %for.cond1
-  ret void
-
-if.end7:                                          ; preds = %for.cond
-  unreachable
-}