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, 86 deletions

diff --git a/llvm/test/Transforms/LoopFusion/inner_loops.ll b/llvm/test/Transforms/LoopFusion/inner_loops.ll
deleted file mode 100644
index 2b14ec98fac..00000000000
--- a/llvm/test/Transforms/LoopFusion/inner_loops.ll
+++ /dev/null
@@ -1,86 +0,0 @@
-; RUN: opt -S -loop-fusion < %s 2>&1 | FileCheck %s
-
-@A = common global [1024 x [1024 x i32]] zeroinitializer, align 16
-@B = common global [1024 x [1024 x i32]] zeroinitializer, align 16
-
-; CHECK: void @dep_free
-; CHECK-NEXT: bb:
-; CHECK-NEXT: br label %[[LOOP1HEADER:bb[0-9]*]]
-; CHECK: [[LOOP1HEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP1BODY:bb[0-9]*]], label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP1BODY]]
-; CHECK: br label %[[LOOP1LATCH:bb[0-9]*]]
-; CHECK: [[LOOP1LATCH]]
-; CHECK: br label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP2PREHEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP2BODY:bb[0-9]*]], label %[[LOOP2EXIT:bb[0-9]*]]
-; CHECK: [[LOOP2BODY]]
-; CHECK: br label %[[LOOP2LATCH:bb[0-9]+]]
-; CHECK: [[LOOP2LATCH]]
-; CHECK: br label %[[LOOP1HEADER]]
-; CHECK: ret void
-
-define void @dep_free() {
-bb:
-  br label %bb9
-
-bb9:                                              ; preds = %bb35, %bb
-  %indvars.iv6 = phi i64 [ %indvars.iv.next7, %bb35 ], [ 0, %bb ]
-  %.0 = phi i32 [ 0, %bb ], [ %tmp36, %bb35 ]
-  %exitcond8 = icmp ne i64 %indvars.iv6, 100
-  br i1 %exitcond8, label %bb11, label %bb10
-
-bb10:                                             ; preds = %bb9
-  br label %bb37
-
-bb11:                                             ; preds = %bb9
-  br label %bb12
-
-bb12:                                             ; preds = %bb21, %bb11
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb21 ], [ 0, %bb11 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb14, label %bb23
-
-bb14:                                             ; preds = %bb12
-  %tmp = add nsw i32 %.0, -3
-  %tmp15 = add nuw nsw i64 %indvars.iv6, 3
-  %tmp16 = trunc i64 %tmp15 to i32
-  %tmp17 = mul nsw i32 %tmp, %tmp16
-  %tmp18 = trunc i64 %indvars.iv6 to i32
-  %tmp19 = srem i32 %tmp17, %tmp18
-  %tmp20 = getelementptr inbounds [1024 x [1024 x i32]], [1024 x [1024 x i32]]* @A, i64 0, i64 %indvars.iv6, i64 %indvars.iv
-  store i32 %tmp19, i32* %tmp20, align 4
-  br label %bb21
-
-bb21:                                             ; preds = %bb14
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  br label %bb12
-
-bb23:                                             ; preds = %bb33, %bb12
-  %indvars.iv3 = phi i64 [ %indvars.iv.next4, %bb33 ], [ 0, %bb12 ]
-  %exitcond5 = icmp ne i64 %indvars.iv3, 100
-  br i1 %exitcond5, label %bb25, label %bb35
-
-bb25:                                             ; preds = %bb23
-  %tmp26 = add nsw i32 %.0, -3
-  %tmp27 = add nuw nsw i64 %indvars.iv6, 3
-  %tmp28 = trunc i64 %tmp27 to i32
-  %tmp29 = mul nsw i32 %tmp26, %tmp28
-  %tmp30 = trunc i64 %indvars.iv6 to i32
-  %tmp31 = srem i32 %tmp29, %tmp30
-  %tmp32 = getelementptr inbounds [1024 x [1024 x i32]], [1024 x [1024 x i32]]* @B, i64 0, i64 %indvars.iv6, i64 %indvars.iv3
-  store i32 %tmp31, i32* %tmp32, align 4
-  br label %bb33
-
-bb33:                                             ; preds = %bb25
-  %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
-  br label %bb23
-
-bb35:                                             ; preds = %bb23
-  %indvars.iv.next7 = add nuw nsw i64 %indvars.iv6, 1
-  %tmp36 = add nuw nsw i32 %.0, 1
-  br label %bb9
-
-bb37:                                             ; preds = %bb10
-  ret void
-}