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, 89 deletions

diff --git a/llvm/test/Transforms/RewriteStatepointsForGC/basics.ll b/llvm/test/Transforms/RewriteStatepointsForGC/basics.ll
deleted file mode 100644
index 9b611079114..00000000000
--- a/llvm/test/Transforms/RewriteStatepointsForGC/basics.ll
+++ /dev/null
@@ -1,89 +0,0 @@
-; This is a collection of really basic tests for gc.statepoint rewriting.
-; RUN: opt < %s -rewrite-statepoints-for-gc -spp-rematerialization-threshold=0 -S | FileCheck %s
-; RUN: opt < %s -passes=rewrite-statepoints-for-gc -spp-rematerialization-threshold=0 -S | FileCheck %s
-
-; Trivial relocation over a single call
-
-declare void @foo()
-
-define i8 addrspace(1)* @test1(i8 addrspace(1)* %obj) gc "statepoint-example" {
-; CHECK-LABEL: @test1
-entry:
-; CHECK-LABEL: entry:
-; CHECK-NEXT: gc.statepoint
-; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
-; Two safepoints in a row (i.e. consistent liveness)
-  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
-  ret i8 addrspace(1)* %obj
-}
-
-define i8 addrspace(1)* @test2(i8 addrspace(1)* %obj) gc "statepoint-example" {
-; CHECK-LABEL: @test2
-entry:
-; CHECK-LABEL: entry:
-; CHECK-NEXT: gc.statepoint
-; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
-; CHECK-NEXT: gc.statepoint
-; CHECK-NEXT: %obj.relocated2 = call coldcc i8 addrspace(1)*
-; A simple derived pointer
-  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
-  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
-  ret i8 addrspace(1)* %obj
-}
-
-define i8 @test3(i8 addrspace(1)* %obj) gc "statepoint-example" {
-entry:
-; CHECK-LABEL: entry:
-; CHECK-NEXT: getelementptr
-; CHECK-NEXT: gc.statepoint
-; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
-; CHECK-NEXT: %derived.relocated = call coldcc i8 addrspace(1)*
-; CHECK-NEXT: load i8, i8 addrspace(1)* %derived.relocated
-; CHECK-NEXT: load i8, i8 addrspace(1)* %obj.relocated
-; Tests to make sure we visit both the taken and untaken predeccessor 
-; of merge.  This was a bug in the dataflow liveness at one point.
-  %derived = getelementptr i8, i8 addrspace(1)* %obj, i64 10
-  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
-  %a = load i8, i8 addrspace(1)* %derived
-  %b = load i8, i8 addrspace(1)* %obj
-  %c = sub i8 %a, %b
-  ret i8 %c
-}
-
-define i8 addrspace(1)* @test4(i1 %cmp, i8 addrspace(1)* %obj) gc "statepoint-example" {
-entry:
-  br i1 %cmp, label %taken, label %untaken
-
-taken:                                            ; preds = %entry
-; CHECK-LABEL: taken:
-; CHECK-NEXT: gc.statepoint
-; CHECK-NEXT: %obj.relocated = call coldcc i8 addrspace(1)*
-  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
-  br label %merge
-
-untaken:                                          ; preds = %entry
-; CHECK-LABEL: untaken:
-; CHECK-NEXT: gc.statepoint
-; CHECK-NEXT: %obj.relocated2 = call coldcc i8 addrspace(1)*
-  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
-  br label %merge
-
-merge:                                            ; preds = %untaken, %taken
-; CHECK-LABEL: merge:
-; CHECK-NEXT: %.0 = phi i8 addrspace(1)* [ %obj.relocated, %taken ], [ %obj.relocated2, %untaken ]
-; CHECK-NEXT: ret i8 addrspace(1)* %.0
-; When run over a function which doesn't opt in, should do nothing!
-  ret i8 addrspace(1)* %obj
-}
-
-define i8 addrspace(1)* @test5(i8 addrspace(1)* %obj) gc "ocaml" {
-; CHECK-LABEL: @test5
-entry:
-; CHECK-LABEL: entry:
-; CHECK-NEXT: gc.statepoint
-; CHECK-NOT: %obj.relocated = call coldcc i8 addrspace(1)*
-  %0 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
-  ret i8 addrspace(1)* %obj
-}
-
-declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)