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/SafeStack/X86/array.ll b/llvm/test/Transforms/SafeStack/X86/array.ll
deleted file mode 100644
index b6993523223..00000000000
--- a/llvm/test/Transforms/SafeStack/X86/array.ll
+++ /dev/null
@@ -1,89 +0,0 @@
-; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
-; RUN: opt -safe-stack -S -mtriple=i386-pc-contiki-unknown < %s -o - | FileCheck -check-prefix=SINGLE-THREAD %s
-; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
-
-; array [4 x i8]
-; Requires protector.
-
-; CHECK: @__safestack_unsafe_stack_ptr = external thread_local(initialexec) global i8*
-; SINGLE-THREAD: @__safestack_unsafe_stack_ptr = external global i8*
-
-define void @foo(i8* %a) nounwind uwtable safestack {
-entry:
-  ; CHECK: %[[USP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
-
-  ; CHECK: %[[USST:.*]] = getelementptr i8, i8* %[[USP]], i32 -16
-
-  ; CHECK: store i8* %[[USST]], i8** @__safestack_unsafe_stack_ptr
-
-  %a.addr = alloca i8*, align 8
-  %buf = alloca [4 x i8], align 1
-
-  ; CHECK: %[[AADDR:.*]] = alloca i8*, align 8
-  ; CHECK: store i8* {{.*}}, i8** %[[AADDR]], align 8
-  store i8* %a, i8** %a.addr, align 8
-
-  ; CHECK: %[[BUFPTR:.*]] = getelementptr i8, i8* %[[USP]], i32 -4
-  ; CHECK: %[[BUFPTR2:.*]] = bitcast i8* %[[BUFPTR]] to [4 x i8]*
-  ; CHECK: %[[GEP:.*]] = getelementptr inbounds [4 x i8], [4 x i8]* %[[BUFPTR2]], i32 0, i32 0
-  %gep = getelementptr inbounds [4 x i8], [4 x i8]* %buf, i32 0, i32 0
-
-  ; CHECK: %[[A2:.*]] = load i8*, i8** %[[AADDR]], align 8
-  %a2 = load i8*, i8** %a.addr, align 8
-
-  ; CHECK: call i8* @strcpy(i8* %[[GEP]], i8* %[[A2]])
-  %call = call i8* @strcpy(i8* %gep, i8* %a2)
-
-  ; CHECK: store i8* %[[USP]], i8** @__safestack_unsafe_stack_ptr
-  ret void
-}
-
-; Load from an array at a fixed offset, no overflow.
-define i8 @StaticArrayFixedSafe() nounwind uwtable safestack {
-entry:
-  ; CHECK-LABEL: define i8 @StaticArrayFixedSafe(
-  ; CHECK-NOT: __safestack_unsafe_stack_ptr
-  ; CHECK: ret i8
-  %buf = alloca i8, i32 4, align 1
-  %gep = getelementptr inbounds i8, i8* %buf, i32 2
-  %x = load i8, i8* %gep, align 1
-  ret i8 %x
-}
-
-; Load from an array at a fixed offset with overflow.
-define i8 @StaticArrayFixedUnsafe() nounwind uwtable safestack {
-entry:
-  ; CHECK-LABEL: define i8 @StaticArrayFixedUnsafe(
-  ; CHECK: __safestack_unsafe_stack_ptr
-  ; CHECK: ret i8
-  %buf = alloca i8, i32 4, align 1
-  %gep = getelementptr inbounds i8, i8* %buf, i32 5
-  %x = load i8, i8* %gep, align 1
-  ret i8 %x
-}
-
-; Load from an array at an unknown offset.
-define i8 @StaticArrayVariableUnsafe(i32 %ofs) nounwind uwtable safestack {
-entry:
-  ; CHECK-LABEL: define i8 @StaticArrayVariableUnsafe(
-  ; CHECK: __safestack_unsafe_stack_ptr
-  ; CHECK: ret i8
-  %buf = alloca i8, i32 4, align 1
-  %gep = getelementptr inbounds i8, i8* %buf, i32 %ofs
-  %x = load i8, i8* %gep, align 1
-  ret i8 %x
-}
-
-; Load from an array of an unknown size.
-define i8 @DynamicArrayUnsafe(i32 %sz) nounwind uwtable safestack {
-entry:
-  ; CHECK-LABEL: define i8 @DynamicArrayUnsafe(
-  ; CHECK: __safestack_unsafe_stack_ptr
-  ; CHECK: ret i8
-  %buf = alloca i8, i32 %sz, align 1
-  %gep = getelementptr inbounds i8, i8* %buf, i32 2
-  %x = load i8, i8* %gep, align 1
-  ret i8 %x
-}
-
-declare i8* @strcpy(i8*, i8*)