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, 25 deletions

diff --git a/llvm/test/Transforms/CodeGenPrepare/X86/multi-extension.ll b/llvm/test/Transforms/CodeGenPrepare/X86/multi-extension.ll
deleted file mode 100644
index 950f9f2e04a..00000000000
--- a/llvm/test/Transforms/CodeGenPrepare/X86/multi-extension.ll
+++ /dev/null
@@ -1,25 +0,0 @@
-; RUN: opt < %s -codegenprepare -S -mtriple=x86_64-unknown-unknown    | FileCheck %s
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.13.0"
-
-declare void @bar(i64)
-
-@b = global i16 0, align 2
-
-; This test case is extracted from PR38125.
-; %or is reachable by both a sext and zext that are going to be promoted.
-; It ensures correct operation on PromotedInsts.
-
-; CHECK:       %promoted = trunc i32 %or to i16
-; CHECK-NEXT:  %c = sext i16 %promoted to i64
-define i32 @foo(i16 %kkk) {
-entry:
-  %t4 = load i16, i16* @b, align 2
-  %conv4 = zext i16 %t4 to i32
-  %or = or i16 %kkk, %t4
-  %c = sext i16 %or to i64
-  call void @bar(i64 %c)
-  %t5 = and i16 %or, 5
-  %z = zext i16 %t5 to i32
-  ret i32 %z
-}