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, 87 deletions

diff --git a/llvm/test/Transforms/Inline/ARM/loop-memcpy.ll b/llvm/test/Transforms/Inline/ARM/loop-memcpy.ll
deleted file mode 100644
index 3b3625c6027..00000000000
--- a/llvm/test/Transforms/Inline/ARM/loop-memcpy.ll
+++ /dev/null
@@ -1,87 +0,0 @@
-; RUN: opt -inline %s -S | FileCheck %s
-
-target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
-target triple = "thumbv7m-arm-none-eabi"
-
-; CHECK-LABEL: define void @matcpy
-define void @matcpy(i8* %dest, i8* %source, i32 %num) #0 {
-entry:
-  %0 = ptrtoint i8* %dest to i32
-  %1 = ptrtoint i8* %source to i32
-  %2 = xor i32 %0, %1
-  %3 = and i32 %2, 3
-  %cmp = icmp eq i32 %3, 0
-  br i1 %cmp, label %if.then, label %if.else20
-
-if.then:                                          ; preds = %entry
-  %sub = sub i32 0, %0
-  %and2 = and i32 %sub, 3
-  %add = or i32 %and2, 4
-  %cmp3 = icmp ugt i32 %add, %num
-  br i1 %cmp3, label %if.else, label %if.then4
-
-if.then4:                                         ; preds = %if.then
-  %sub5 = sub i32 %num, %and2
-  %shr = and i32 %sub5, -4
-  %sub7 = sub i32 %sub5, %shr
-  %tobool = icmp eq i32 %and2, 0
-  br i1 %tobool, label %if.end, label %if.then8
-
-if.then8:                                         ; preds = %if.then4
-; CHECK: call fastcc void @memcpy
-  call fastcc void @memcpy(i8* %dest, i8* %source, i32 %and2) #0
-  %add.ptr = getelementptr inbounds i8, i8* %dest, i32 %and2
-  %add.ptr9 = getelementptr inbounds i8, i8* %source, i32 %and2
-  br label %if.end
-
-if.end:                                           ; preds = %if.then4, %if.then8
-  %p_dest.0 = phi i8* [ %add.ptr, %if.then8 ], [ %dest, %if.then4 ]
-  %p_source.0 = phi i8* [ %add.ptr9, %if.then8 ], [ %source, %if.then4 ]
-  %tobool14 = icmp eq i32 %sub7, 0
-  br i1 %tobool14, label %if.end22, label %if.then15
-
-if.then15:                                        ; preds = %if.end
-  %add.ptr13 = getelementptr inbounds i8, i8* %p_source.0, i32 %shr
-  %add.ptr11 = getelementptr inbounds i8, i8* %p_dest.0, i32 %shr
-; CHECK: call fastcc void @memcpy
-  call fastcc void @memcpy(i8* %add.ptr11, i8* %add.ptr13, i32 %sub7) #0
-  br label %if.end22
-
-if.else:                                          ; preds = %if.then
-  call fastcc void @memcpy(i8* %dest, i8* %source, i32 %num) #0
-  br label %if.end22
-
-if.else20:                                        ; preds = %entry
-  call fastcc void @memcpy(i8* %dest, i8* %source, i32 %num) #0
-  br label %if.end22
-
-if.end22:                                         ; preds = %if.then15, %if.end, %if.else, %if.else20
-  ret void
-}
-
-; CHECK-LABEL: define internal void @memcpy
-define internal void @memcpy(i8* nocapture %dest, i8* nocapture readonly %source, i32 %num) #0 {
-entry:
-  br label %while.cond
-
-while.cond:                                       ; preds = %while.body, %entry
-  %num.addr.0 = phi i32 [ %num, %entry ], [ %dec, %while.body ]
-  %p_dest.0 = phi i8* [ %dest, %entry ], [ %incdec.ptr1, %while.body ]
-  %p_source.0 = phi i8* [ %source, %entry ], [ %incdec.ptr, %while.body ]
-  %cmp = icmp eq i32 %num.addr.0, 0
-  br i1 %cmp, label %while.end, label %while.body
-
-while.body:                                       ; preds = %while.cond
-  %incdec.ptr = getelementptr inbounds i8, i8* %p_source.0, i32 1
-  %0 = load i8, i8* %p_source.0, align 1
-  %incdec.ptr1 = getelementptr inbounds i8, i8* %p_dest.0, i32 1
-  store i8 %0, i8* %p_dest.0, align 1
-  %dec = add i32 %num.addr.0, -1
-  br label %while.cond
-
-while.end:                                        ; preds = %while.cond
-  ret void
-}
-
-attributes #0 = { minsize optsize }
-