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, 54 deletions

diff --git a/llvm/test/Transforms/SimplifyCFG/preserve-llvm-loop-metadata.ll b/llvm/test/Transforms/SimplifyCFG/preserve-llvm-loop-metadata.ll
deleted file mode 100644
index 0615cd1fb3f..00000000000
--- a/llvm/test/Transforms/SimplifyCFG/preserve-llvm-loop-metadata.ll
+++ /dev/null
@@ -1,54 +0,0 @@
-; RUN: opt -simplifycfg -keep-loops=false -S < %s | FileCheck %s
-; RUN: opt -passes='simplify-cfg<no-keep-loops>' -S < %s | FileCheck %s
-
-define void @test1(i32 %n) #0 {
-entry:
-  %n.addr = alloca i32, align 4
-  %count = alloca i32, align 4
-  store i32 %n, i32* %n.addr, align 4
-  %0 = bitcast i32* %count to i8*
-  store i32 0, i32* %count, align 4
-  br label %while.cond
-
-while.cond:                                       ; preds = %if.end, %entry
-  %1 = load i32, i32* %count, align 4
-  %2 = load i32, i32* %n.addr, align 4
-  %cmp = icmp ule i32 %1, %2
-  br i1 %cmp, label %while.body, label %while.end
-
-while.body:                                       ; preds = %while.cond
-  %3 = load i32, i32* %count, align 4
-  %rem = urem i32 %3, 2
-  %cmp1 = icmp eq i32 %rem, 0
-  br i1 %cmp1, label %if.then, label %if.else
-
-if.then:                                          ; preds = %while.body
-  %4 = load i32, i32* %count, align 4
-  %add = add i32 %4, 1
-  store i32 %add, i32* %count, align 4
-  br label %if.end
-
-; CHECK: if.then:
-; CHECK:  br label %while.cond, !llvm.loop !0
-
-if.else:                                          ; preds = %while.body
-  %5 = load i32, i32* %count, align 4
-  %add2 = add i32 %5, 2
-  store i32 %add2, i32* %count, align 4
-  br label %if.end
-
-; CHECK: if.else:
-; CHECK:  br label %while.cond, !llvm.loop !0
-
-if.end:                                           ; preds = %if.else, %if.then
-  br label %while.cond, !llvm.loop !0
-
-while.end:                                        ; preds = %while.cond
-  %6 = bitcast i32* %count to i8*
-  ret void
-}
-
-!0 = distinct !{!0, !1}
-!1 = !{!"llvm.loop.distribute.enable", i1 true}
-; CHECK: !0 = distinct !{!0, !1}
-; CHECK: !1 = !{!"llvm.loop.distribute.enable", i1 true}