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Add few simple tests to check statepoint placement for invoke instructions.

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Differential Revision: http://reviews.llvm.org/D7535



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229842 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Igor Laevsky 2015-02-19 11:39:04 +00:00
parent 2b5910a767
commit b05b70bab5
1 changed files with 110 additions and 0 deletions
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110
test/Transforms/PlaceSafepoints/invokes.ll Normal file
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; RUN: opt %s -S -place-safepoints | FileCheck %s
declare i64 addrspace(1)* @"some_call"(i64 addrspace(1)*)
declare i32 @"personality_function"()
define i64 addrspace(1)* @test_basic(i64 addrspace(1)* %obj, i64 addrspace(1)* %obj1) {
; CHECK-LABEL: entry:
entry:
; CHECK: invoke
; CHECK: statepoint
; CHECK: some_call
%ret_val = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %obj)
to label %normal_return unwind label %exceptional_return
; CHECK-LABEL: normal_return:
; CHECK: gc.result
; CHECK: ret i64
normal_return:
ret i64 addrspace(1)* %ret_val
; CHECK-LABEL: exceptional_return:
; CHECK: landingpad
; CHECK: ret i64
exceptional_return:
%landing_pad4 = landingpad {i8*, i32} personality i32 ()* @"personality_function"
cleanup
ret i64 addrspace(1)* %obj1
}
define i64 addrspace(1)* @test_two_invokes(i64 addrspace(1)* %obj, i64 addrspace(1)* %obj1) {
; CHECK-LABEL: entry:
entry:
; CHECK: invoke
; CHECK: statepoint
; CHECK: some_call
%ret_val1 = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %obj)
to label %second_invoke unwind label %exceptional_return
; CHECK-LABEL: second_invoke:
second_invoke:
; CHECK: invoke
; CHECK: statepoint
; CHECK: some_call
%ret_val2 = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %ret_val1)
to label %normal_return unwind label %exceptional_return
; CHECK-LABEL: normal_return:
normal_return:
; CHECK: gc.result
; CHECK: ret i64
ret i64 addrspace(1)* %ret_val2
; CHECK: exceptional_return:
; CHECK: ret i64
exceptional_return:
%landing_pad4 = landingpad {i8*, i32} personality i32 ()* @"personality_function"
cleanup
ret i64 addrspace(1)* %obj1
}
define i64 addrspace(1)* @test_phi_node(i1 %cond, i64 addrspace(1)* %obj) {
; CHECK-LABEL: entry:
entry:
br i1 %cond, label %left, label %right
left:
%ret_val_left = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %obj)
to label %merge unwind label %exceptional_return
right:
%ret_val_right = invoke i64 addrspace(1)* @"some_call"(i64 addrspace(1)* %obj)
to label %merge unwind label %exceptional_return
; CHECK-LABEL: merge1:
; CHECK: gc.result
; CHECK: br label %merge
; CHECK-LABEL: merge3:
; CHECK: gc.result
; CHECK: br label %merge
; CHECK-LABEL: merge:
; CHECK: phi
; CHECK: ret i64 addrspace(1)* %ret_val
merge:
%ret_val = phi i64 addrspace(1)* [%ret_val_left, %left], [%ret_val_right, %right]
ret i64 addrspace(1)* %ret_val
; CHECK-LABEL: exceptional_return:
; CHECK: ret i64 addrspace(1)*
exceptional_return:
%landing_pad4 = landingpad {i8*, i32} personality i32 ()* @"personality_function"
cleanup
ret i64 addrspace(1)* %obj
}
declare void @do_safepoint()
define void @gc.safepoint_poll() {
; CHECK-LABEL: gc.safepoint_poll
; CHECK-LABEL: entry
; CHECK-NEXT: do_safepoint
; CHECK-NEXT: ret void
entry:
call void @do_safepoint()
ret void
}