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, 144 deletions

diff --git a/llvm/test/Transforms/Sink/basic.ll b/llvm/test/Transforms/Sink/basic.ll
deleted file mode 100644
index 8ff41262014..00000000000
--- a/llvm/test/Transforms/Sink/basic.ll
+++ /dev/null
@@ -1,144 +0,0 @@
-; RUN: opt < %s -basicaa -sink -S | FileCheck %s
-; RUN: opt < %s -aa-pipeline='basic-aa' -passes='sink' -S | FileCheck %s
-
-@A = external global i32
-@B = external global i32
-
-; Sink should sink the load past the store (which doesn't overlap) into
-; the block that uses it.
-
-;      CHECK-LABEL: @foo(
-;      CHECK: true:
-; CHECK-NEXT: %l = load i32, i32* @A
-; CHECK-NEXT: ret i32 %l
-
-define i32 @foo(i1 %z) {
-  %l = load i32, i32* @A
-  store i32 0, i32* @B
-  br i1 %z, label %true, label %false
-true:
-  ret i32 %l
-false:
-  ret i32 0
-}
-
-; But don't sink load volatiles...
-
-;      CHECK-LABEL: @foo2(
-;      CHECK: load volatile
-; CHECK-NEXT: store i32
-
-define i32 @foo2(i1 %z) {
-  %l = load volatile i32, i32* @A
-  store i32 0, i32* @B
-  br i1 %z, label %true, label %false
-true:
-  ret i32 %l
-false:
-  ret i32 0
-}
-
-; Sink to the nearest post-dominator
-
-;      CHECK-LABEL: @diamond(
-;      CHECK: X:
-; CHECK-NEXT: phi
-; CHECK-NEXT: mul nsw
-; CHECK-NEXT: sub
-
-define i32 @diamond(i32 %a, i32 %b, i32 %c) {
-  %1 = mul nsw i32 %c, %b
-  %2 = icmp sgt i32 %a, 0
-  br i1 %2, label %B0, label %B1
-
-B0:                                       ; preds = %0
-  br label %X
-
-B1:                                      ; preds = %0
-  br label %X
-
-X:                                     ; preds = %5, %3
-  %.01 = phi i32 [ %c, %B0 ], [ %a, %B1 ]
-  %R = sub i32 %1, %.01
-  ret i32 %R
-}
-
-; We shouldn't sink constant sized allocas from the entry block, since CodeGen
-; interprets allocas outside the entry block as dynamically sized stack objects.
-
-; CHECK-LABEL: @alloca_nosink
-; CHECK: entry:
-; CHECK-NEXT: alloca
-define i32 @alloca_nosink(i32 %a, i32 %b) {
-entry:
-  %0 = alloca i32
-  %1 = icmp ne i32 %a, 0
-  br i1 %1, label %if, label %endif
-
-if:
-  %2 = getelementptr i32, i32* %0, i32 1
-  store i32 0, i32* %0
-  store i32 1, i32* %2
-  %3 = getelementptr i32, i32* %0, i32 %b
-  %4 = load i32, i32* %3
-  ret i32 %4
-
-endif:
-  ret i32 0
-}
-
-; Make sure we sink dynamic sized allocas
-
-; CHECK-LABEL: @alloca_sink_dynamic
-; CHECK: entry:
-; CHECK-NOT: alloca
-; CHECK: if:
-; CHECK-NEXT: alloca
-define i32 @alloca_sink_dynamic(i32 %a, i32 %b, i32 %size) {
-entry:
-  %0 = alloca i32, i32 %size
-  %1 = icmp ne i32 %a, 0
-  br i1 %1, label %if, label %endif
-
-if:
-  %2 = getelementptr i32, i32* %0, i32 1
-  store i32 0, i32* %0
-  store i32 1, i32* %2
-  %3 = getelementptr i32, i32* %0, i32 %b
-  %4 = load i32, i32* %3
-  ret i32 %4
-
-endif:
-  ret i32 0
-}
-
-; We also want to sink allocas that are not in the entry block.  These
-; will already be considered as dynamically sized stack objects, so sinking
-; them does no further damage.
-
-; CHECK-LABEL: @alloca_sink_nonentry
-; CHECK: if0:
-; CHECK-NOT: alloca
-; CHECK: if:
-; CHECK-NEXT: alloca
-define i32 @alloca_sink_nonentry(i32 %a, i32 %b, i32 %c) {
-entry:
-  %cmp = icmp ne i32 %c, 0
-  br i1 %cmp, label %endif, label %if0
-
-if0:
-  %0 = alloca i32
-  %1 = icmp ne i32 %a, 0
-  br i1 %1, label %if, label %endif
-
-if:
-  %2 = getelementptr i32, i32* %0, i32 1
-  store i32 0, i32* %0
-  store i32 1, i32* %2
-  %3 = getelementptr i32, i32* %0, i32 %b
-  %4 = load i32, i32* %3
-  ret i32 %4
-
-endif:
-  ret i32 0
-}