Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
diff --git a/llvm/test/Transforms/SafeStack/X86/invoke.ll b/llvm/test/Transforms/SafeStack/X86/invoke.ll
new file mode 100644
index 0000000..bfebc33
--- /dev/null
+++ b/llvm/test/Transforms/SafeStack/X86/invoke.ll
@@ -0,0 +1,33 @@
+; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
+; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
+
+@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
+
+; Addr-of a variable passed into an invoke instruction.
+; safestack attribute
+; Requires protector and stack restore after landing pad.
+define i32 @foo() uwtable safestack personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
+entry:
+ ; CHECK: %[[SP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
+ ; CHECK: %[[STATICTOP:.*]] = getelementptr i8, i8* %[[SP]], i32 -16
+ %a = alloca i32, align 4
+ %exn.slot = alloca i8*
+ %ehselector.slot = alloca i32
+ store i32 0, i32* %a, align 4
+ invoke void @_Z3exceptPi(i32* %a)
+ to label %invoke.cont unwind label %lpad
+
+invoke.cont:
+ ret i32 0
+
+lpad:
+ ; CHECK: landingpad
+ ; CHECK-NEXT: catch
+ %0 = landingpad { i8*, i32 }
+ catch i8* null
+ ; CHECK-NEXT: store i8* %[[STATICTOP]], i8** @__safestack_unsafe_stack_ptr
+ ret i32 0
+}
+
+declare void @_Z3exceptPi(i32*)
+declare i32 @__gxx_personality_v0(...)