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, 44 deletions

diff --git a/llvm/test/Transforms/InstCombine/load-combine-metadata-dominance.ll b/llvm/test/Transforms/InstCombine/load-combine-metadata-dominance.ll
deleted file mode 100644
index 25e352bdb7b..00000000000
--- a/llvm/test/Transforms/InstCombine/load-combine-metadata-dominance.ll
+++ /dev/null
@@ -1,44 +0,0 @@
-; RUN: opt -instcombine -S < %s | FileCheck %s
-
-target datalayout = "e-m:e-p:64:64:64-i64:64-f80:128-n8:16:32:64-S128"
-
-; Check that nonnull metadata is propagated from dominating load.
-; CHECK-LABEL: @combine_metadata_dominance1(
-; CHECK-LABEL: bb1:
-; CHECK: load i32*, i32** %p, align 8, !nonnull !0
-; CHECK-NOT: load i32*, i32** %p
-define void @combine_metadata_dominance1(i32** %p) {
-entry:
-  %a = load i32*, i32** %p, !nonnull !0
-  br label %bb1
-
-bb1:
-  %b = load i32*, i32** %p
-  store i32 0, i32* %a
-  store i32 0, i32* %b
-  ret void
-}
-
-declare i32 @use(i32*, i32) readonly
-
-; Check that nonnull from the dominated load does not get propagated.
-; There are some cases where it would be safe to keep it.
-; CHECK-LABEL: @combine_metadata_dominance2(
-; CHECK-NOT: nonnull
-define void @combine_metadata_dominance2(i32** %p) {
-entry:
-  %a = load i32*, i32** %p
-  br i1 undef, label %bb1, label %bb2
-
-bb1:
-  %b = load i32*, i32** %p, !nonnull !0
-  store i32 0, i32* %a
-  store i32 0, i32* %b
-  ret void
-
-bb2:
-  ret void
-}
-
-
-!0 = !{}