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, 27 deletions

diff --git a/llvm/test/Transforms/LoopUnroll/PowerPC/a2-high-cost-trip-count-computation.ll b/llvm/test/Transforms/LoopUnroll/PowerPC/a2-high-cost-trip-count-computation.ll
deleted file mode 100644
index bd5f68f9f20..00000000000
--- a/llvm/test/Transforms/LoopUnroll/PowerPC/a2-high-cost-trip-count-computation.ll
+++ /dev/null
@@ -1,27 +0,0 @@
-; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 -loop-unroll | FileCheck %s
-
-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"
-
-;; Check that we do emit expensive instructions to compute trip
-;; counts when unrolling loops on the a2 (because we unroll a lot).
-
-define i32 @test(i64 %v12, i8* %array, i64* %loc) {
-; CHECK-LABEL: @test(
-; CHECK: udiv
-entry:
-  %step = load i64, i64* %loc, !range !0
-  br label %loop
-
-loop:                                           ; preds = %entry, %loop
-  %k.015 = phi i64 [ %v15, %loop ], [ %v12, %entry ]
-  %v14 = getelementptr inbounds i8, i8* %array, i64 %k.015
-  store i8 0, i8* %v14
-  %v15 = add nuw nsw i64 %k.015, %step
-  %v16 = icmp slt i64 %v15, 8193
-  br i1 %v16, label %loop, label %loopexit
-
-loopexit:                             ; preds = %loop
-  ret i32 0
-}
-
-!0 = !{i64 1, i64 100}