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, 107 deletions

diff --git a/llvm/test/Transforms/CodeExtractor/PartialInlineHighCost.ll b/llvm/test/Transforms/CodeExtractor/PartialInlineHighCost.ll
deleted file mode 100644
index e43a94dc6c3..00000000000
--- a/llvm/test/Transforms/CodeExtractor/PartialInlineHighCost.ll
+++ /dev/null
@@ -1,107 +0,0 @@
-; The outlined region has high frequency  and the outlining
-; call sequence is expensive (input, output, multiple exit etc)
-; RUN: opt < %s -partial-inliner -max-num-inline-blocks=2 -S | FileCheck %s
-; RUN: opt < %s -passes=partial-inliner -max-num-inline-blocks=2 -S | FileCheck %s
-; RUN: opt < %s -partial-inliner -skip-partial-inlining-cost-analysis -max-num-inline-blocks=2 -S | FileCheck --check-prefix=NOCOST %s
-; RUN: opt < %s -passes=partial-inliner -skip-partial-inlining-cost-analysis -max-num-inline-blocks=2 -S | FileCheck  --check-prefix=NOCOST %s
-
-
-; Function Attrs: nounwind
-define i32 @bar_hot_outline_region(i32 %arg) local_unnamed_addr #0 {
-bb:
-  %tmp = icmp slt i32 %arg, 0
-  br i1 %tmp, label %bb1, label %bb16, !prof !1
-
-bb1:                                              ; preds = %bb
-  %tmp2 = tail call i32 (...) @foo() #0
-  %tmp3 = tail call i32 (...) @foo() #0
-  %tmp4 = tail call i32 (...) @foo() #0
-  %tmp5 = tail call i32 (...) @foo() #0
-  %tmp6 = tail call i32 (...) @foo() #0
-  %tmp7 = tail call i32 (...) @foo() #0
-  %tmp8 = add nsw i32 %arg, 1
-  %tmp9 = tail call i32 @goo(i32 %tmp8) #0
-  %tmp10 = tail call i32 (...) @foo() #0
-  %tmp11 = icmp eq i32 %tmp10, 0
-  br i1 %tmp11, label %bb12, label %bb16
-
-bb12:                                             ; preds = %bb1
-  %tmp13 = tail call i32 (...) @foo() #0
-  %tmp14 = icmp eq i32 %tmp13, 0
-  %tmp15 = select i1 %tmp14, i32 0, i32 3
-  br label %bb16
-
-bb16:                                             ; preds = %bb12, %bb1, %bb
-  %tmp17 = phi i32 [ 2, %bb1 ], [ %tmp15, %bb12 ], [ 0, %bb ]
-  ret i32 %tmp17
-}
-
-define i32 @bar_cold_outline_region(i32 %arg) local_unnamed_addr #0 {
-bb:
-  %tmp = icmp slt i32 %arg, 0
-  br i1 %tmp, label %bb1, label %bb16, !prof !2
-
-bb1:                                              ; preds = %bb
-  %tmp2 = tail call i32 (...) @foo() #0
-  %tmp3 = tail call i32 (...) @foo() #0
-  %tmp4 = tail call i32 (...) @foo() #0
-  %tmp5 = tail call i32 (...) @foo() #0
-  %tmp6 = tail call i32 (...) @foo() #0
-  %tmp7 = tail call i32 (...) @foo() #0
-  %tmp8 = add nsw i32 %arg, 1
-  %tmp9 = tail call i32 @goo(i32 %tmp8) #0
-  %tmp10 = tail call i32 (...) @foo() #0
-  %tmp11 = icmp eq i32 %tmp10, 0
-  br i1 %tmp11, label %bb12, label %bb16
-
-bb12:                                             ; preds = %bb1
-  %tmp13 = tail call i32 (...) @foo() #0
-  %tmp14 = icmp eq i32 %tmp13, 0
-  %tmp15 = select i1 %tmp14, i32 0, i32 3
-  br label %bb16
-
-bb16:                                             ; preds = %bb12, %bb1, %bb
-  %tmp17 = phi i32 [ 2, %bb1 ], [ %tmp15, %bb12 ], [ 0, %bb ]
-  ret i32 %tmp17
-}
-
-; Function Attrs: nounwind
-declare i32 @foo(...) local_unnamed_addr #0
-
-; Function Attrs: nounwind
-declare i32 @goo(i32) local_unnamed_addr #0
-
-; Function Attrs: nounwind
-define i32 @dummy_caller(i32 %arg) local_unnamed_addr #0 {
-bb:
-; CHECK-LABEL: @dummy_caller
-; CHECK-NOT: br i1
-; CHECK-NOT: call{{.*}}bar_hot_outline_region. 
-; NOCOST-LABEL: @dummy_caller
-; NOCOST: br i1
-; NOCOST: call{{.*}}bar_hot_outline_region.
-
-  %tmp = tail call i32 @bar_hot_outline_region(i32 %arg)
-  ret i32 %tmp
-}
-
-define i32 @dummy_caller2(i32 %arg) local_unnamed_addr #0 {
-bb:
-; CHECK-LABEL: @dummy_caller2
-; CHECK: br i1
-; CHECK: call{{.*}}bar_cold_outline_region.
-; NOCOST-LABEL: @dummy_caller2
-; NOCOST: br i1
-; NOCOST: call{{.*}}bar_cold_outline_region.
-
-  %tmp = tail call i32 @bar_cold_outline_region(i32 %arg)
-  ret i32 %tmp
-}
-
-attributes #0 = { nounwind }
-
-!llvm.ident = !{!0}
-
-!0 = !{!"clang version 5.0.0 (trunk 301898)"}
-!1 = !{!"branch_weights", i32 2000, i32 1}
-!2 = !{!"branch_weights", i32 1, i32 100}