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, 49 deletions

diff --git a/llvm/test/Transforms/InstCombine/memcpy.ll b/llvm/test/Transforms/InstCombine/memcpy.ll
deleted file mode 100644
index 1adb815f612..00000000000
--- a/llvm/test/Transforms/InstCombine/memcpy.ll
+++ /dev/null
@@ -1,49 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) nounwind
-declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind
-
-; Same src/dest.
-
-define void @test1(i8* %a) {
-; CHECK-LABEL: @test1(
-; CHECK-NEXT:    ret void
-;
-  tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i1 false)
-  ret void
-}
-
-; PR8267 - same src/dest, but volatile.
-
-define void @test2(i8* %a) {
-; CHECK-LABEL: @test2(
-; CHECK-NEXT:    tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[A:%.*]], i8* [[A]], i32 100, i1 true)
-; CHECK-NEXT:    ret void
-;
-  tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i1 true)
-  ret void
-}
-
-; 17179869184 == 0x400000000 - make sure that doesn't get truncated to 32-bit.
-
-define void @test3(i8* %d, i8* %s) {
-; CHECK-LABEL: @test3(
-; CHECK-NEXT:    tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 [[D:%.*]], i8* align 4 [[S:%.*]], i64 17179869184, i1 false)
-; CHECK-NEXT:    ret void
-;
-  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %d, i8* align 4 %s, i64 17179869184, i1 false)
-  ret void
-}
-
-@UnknownConstant = external constant i128
-
-define void @memcpy_to_constant(i8* %src) {
-; CHECK-LABEL: @memcpy_to_constant(
-; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast (i128* @UnknownConstant to i8*), i8* align 1 [[SRC:%.*]], i32 16, i1 false)
-; CHECK-NEXT:    ret void
-;
-  %dest = bitcast i128* @UnknownConstant to i8*
-  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 16, i1 false)
-  ret void
-}