1 ; RUN: opt < %s -simplifycfg -S | FileCheck %s
5 ; This testcase checks to see if the simplifycfg pass is converting invoke
6 ; instructions to call instructions if the handler just rethrows the exception.
7 define i32 @test1() personality i32 (...)* @__gxx_personality_v0 {
9 ; CHECK-NEXT: call void @bar()
10 ; CHECK-NEXT: ret i32 0
12 to label %1 unwind label %Rethrow
15 %exn = landingpad {i8*, i32}
17 resume { i8*, i32 } %exn
20 define i32 @test2() personality i32 (...)* @__gxx_personality_v0 {
21 ; CHECK-LABEL: @test2(
22 ; CHECK-NEXT: call void @bar() [ "foo"(i32 100) ]
23 ; CHECK-NEXT: ret i32 0
24 invoke void @bar( ) [ "foo"(i32 100) ]
25 to label %1 unwind label %Rethrow
28 %exn = landingpad {i8*, i32}
30 resume { i8*, i32 } %exn
36 ; This testcase checks to see if simplifycfg pass can convert two invoke
37 ; instructions to call instructions if they share a common trivial unwind
39 define i64 @test3(i1 %cond) personality i32 (...)* @__gxx_personality_v0 {
41 ; CHECK-LABEL: @test3(
42 ; CHECK: %call1 = call i64 @dummy1()
43 ; CHECK: %call2 = call i64 @dummy2()
44 ; CHECK-NOT: resume { i8*, i32 } %lp
45 br i1 %cond, label %br1, label %br2
48 %call1 = invoke i64 @dummy1()
49 to label %invoke.cont unwind label %lpad1
52 %call2 = invoke i64 @dummy2()
53 to label %invoke.cont unwind label %lpad2
56 %c = phi i64 [%call1, %br1], [%call2, %br2]
61 %0 = landingpad { i8*, i32 }
66 %lp = phi { i8*, i32 } [%0, %lpad1], [%1, %lpad2]
67 resume { i8*, i32 } %lp
70 %1 = landingpad { i8*, i32 }
75 declare i32 @__gxx_personality_v0(...)