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, 34 deletions

diff --git a/llvm/test/Transforms/DeadStoreElimination/invariant.start.ll b/llvm/test/Transforms/DeadStoreElimination/invariant.start.ll
deleted file mode 100644
index cac37136a56..00000000000
--- a/llvm/test/Transforms/DeadStoreElimination/invariant.start.ll
+++ /dev/null
@@ -1,34 +0,0 @@
-; Test to make sure llvm.invariant.start calls are not treated as clobbers.
-; RUN: opt < %s -basicaa -dse -S | FileCheck %s
-
-declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) nounwind readonly
-
-; We cannot remove the store 1 to %p.
-; FIXME: By the semantics of invariant.start, the store 3 to p is unreachable.
-define void @test(i8 *%p) {
-  store i8 1, i8* %p, align 4
-  %i = call {}* @llvm.invariant.start.p0i8(i64 1, i8* %p)
-  store i8 3, i8* %p, align 4
-  ret void
-; CHECK-LABEL: @test(
-; CHECK-NEXT: store i8 1, i8* %p, align 4
-; CHECK-NEXT: %i = call {}* @llvm.invariant.start.p0i8(i64 1, i8* %p)
-; CHECK-NEXT: store i8 3, i8* %p, align 4
-; CHECK-NEXT: ret void
-}
-
-; FIXME: We should be able to remove the first store to p, even though p and q
-; may alias.
-define void @test2(i8* %p, i8* %q) {
-  store i8 1, i8* %p, align 4
-  store i8 2, i8* %q, align 4
-  %i = call {}* @llvm.invariant.start.p0i8(i64 1, i8* %q)
-  store i8 3, i8* %p, align 4
-  ret void
-; CHECK-LABEL: @test2(
-; CHECK-NEXT: store i8 1, i8* %p, align 4
-; CHECK-NEXT: store i8 2, i8* %q, align 4
-; CHECK-NEXT: %i = call {}* @llvm.invariant.start.p0i8(i64 1, i8* %q)
-; CHECK-NEXT: store i8 3, i8* %p, align 4
-; CHECK-NEXT: ret void
-}