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, 77 deletions

diff --git a/llvm/test/Transforms/LoopVectorize/X86/gcc-examples.ll b/llvm/test/Transforms/LoopVectorize/X86/gcc-examples.ll
deleted file mode 100644
index c581f4bf2a6..00000000000
--- a/llvm/test/Transforms/LoopVectorize/X86/gcc-examples.ll
+++ /dev/null
@@ -1,77 +0,0 @@
-; RUN: opt < %s  -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 -dce -instcombine -S | FileCheck %s
-; RUN: opt < %s  -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 -force-vector-interleave=0 -dce -instcombine -S | FileCheck %s -check-prefix=UNROLL
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.8.0"
-
-@b = common global [2048 x i32] zeroinitializer, align 16
-@c = common global [2048 x i32] zeroinitializer, align 16
-@a = common global [2048 x i32] zeroinitializer, align 16
-
-; Select VF = 8;
-;CHECK-LABEL: @example1(
-;CHECK: load <4 x i32>
-;CHECK: add nsw <4 x i32>
-;CHECK: store <4 x i32>
-;CHECK: ret void
-
-;UNROLL-LABEL: @example1(
-;UNROLL: load <4 x i32>
-;UNROLL: load <4 x i32>
-;UNROLL: add nsw <4 x i32>
-;UNROLL: add nsw <4 x i32>
-;UNROLL: store <4 x i32>
-;UNROLL: store <4 x i32>
-;UNROLL: ret void
-define void @example1() nounwind uwtable ssp {
-  br label %1
-
-; <label>:1                                       ; preds = %1, %0
-  %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
-  %2 = getelementptr inbounds [2048 x i32], [2048 x i32]* @b, i64 0, i64 %indvars.iv
-  %3 = load i32, i32* %2, align 4
-  %4 = getelementptr inbounds [2048 x i32], [2048 x i32]* @c, i64 0, i64 %indvars.iv
-  %5 = load i32, i32* %4, align 4
-  %6 = add nsw i32 %5, %3
-  %7 = getelementptr inbounds [2048 x i32], [2048 x i32]* @a, i64 0, i64 %indvars.iv
-  store i32 %6, i32* %7, align 4
-  %indvars.iv.next = add i64 %indvars.iv, 1
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
-  %exitcond = icmp eq i32 %lftr.wideiv, 256
-  br i1 %exitcond, label %8, label %1
-
-; <label>:8                                       ; preds = %1
-  ret void
-}
-
-; Select VF=4 because sext <8 x i1> to <8 x i32> is expensive.
-;CHECK-LABEL: @example10b(
-;CHECK: load <4 x i16>
-;CHECK: sext <4 x i16>
-;CHECK: store <4 x i32>
-;CHECK: ret void
-;UNROLL-LABEL: @example10b(
-;UNROLL: load <4 x i16>
-;UNROLL: load <4 x i16>
-;UNROLL: store <4 x i32>
-;UNROLL: store <4 x i32>
-;UNROLL: ret void
-define void @example10b(i16* noalias nocapture %sa, i16* noalias nocapture %sb, i16* noalias nocapture %sc, i32* noalias nocapture %ia, i32* noalias nocapture %ib, i32* noalias nocapture %ic) nounwind uwtable ssp {
-  br label %1
-
-; <label>:1                                       ; preds = %1, %0
-  %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
-  %2 = getelementptr inbounds i16, i16* %sb, i64 %indvars.iv
-  %3 = load i16, i16* %2, align 2
-  %4 = sext i16 %3 to i32
-  %5 = getelementptr inbounds i32, i32* %ia, i64 %indvars.iv
-  store i32 %4, i32* %5, align 4
-  %indvars.iv.next = add i64 %indvars.iv, 1
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
-  %exitcond = icmp eq i32 %lftr.wideiv, 1024
-  br i1 %exitcond, label %6, label %1
-
-; <label>:6                                       ; preds = %1
-  ret void
-}
-