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, 41 deletions

diff --git a/llvm/test/Transforms/LoopSimplifyCFG/phi_with_duplicating_inputs.ll b/llvm/test/Transforms/LoopSimplifyCFG/phi_with_duplicating_inputs.ll
deleted file mode 100644
index fc1f5578f10..00000000000
--- a/llvm/test/Transforms/LoopSimplifyCFG/phi_with_duplicating_inputs.ll
+++ /dev/null
@@ -1,41 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; This is currently failing because of bug in LoopSimplifyCFG. It does not update
-; duplicating Phi inputs properly.
-; REQUIRES: asserts
-; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -loop-simplifycfg -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s
-; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -passes='require<domtree>,loop(simplify-cfg)' -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s
-; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -loop-simplifycfg -enable-mssa-loop-dependency=true -verify-memoryssa -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s
-
-target datalayout = "P40"
-
-@a = external global i16, align 1
-
-define void @f1(i1 %cond) {
-; CHECK-LABEL: @f1(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    br label [[FOR_COND:%.*]]
-; CHECK:       for.cond:
-; CHECK-NEXT:    br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
-; CHECK:       if.then:
-; CHECK-NEXT:    [[TMP0:%.*]] = load i16, i16* @a, align 1
-; CHECK-NEXT:    [[TOBOOL:%.*]] = icmp ne i16 [[TMP0]], 0
-; CHECK-NEXT:    br label [[FOR_INC]]
-; CHECK:       for.inc:
-; CHECK-NEXT:    [[C_1:%.*]] = phi i16 [ 2, [[IF_THEN]] ], [ 1, [[FOR_COND]] ]
-; CHECK-NEXT:    br label [[FOR_COND]]
-;
-entry:
-  br label %for.cond
-
-for.cond:
-  br i1 %cond, label %if.then, label %for.inc
-
-if.then:
-  %0 = load i16, i16* @a, align 1
-  %tobool = icmp ne i16 %0, 0
-  br i1 %tobool, label %for.inc, label %for.inc
-
-for.inc:
-  %c.1 = phi i16 [ 2, %if.then ], [ 2, %if.then ], [ 1, %for.cond ]
-  br label %for.cond
-}