; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s declare void @bar() ; This testcase checks to see if the simplifycfg pass is converting invoke ; instructions to call instructions if the handler just rethrows the exception. define i32 @test1() personality i32 (...)* @__gxx_personality_v0 { ; CHECK-LABEL: @test1( ; CHECK-NEXT: call void @bar(), !prof !0 ; CHECK-NEXT: ret i32 0 ; invoke void @bar( ) to label %1 unwind label %Rethrow, !prof !0 ret i32 0 Rethrow: %exn = landingpad {i8*, i32} catch i8* null resume { i8*, i32 } %exn } !0 = !{!"branch_weights", i32 369, i32 2} define i32 @test2() personality i32 (...)* @__gxx_personality_v0 { ; CHECK-LABEL: @test2( ; CHECK-NEXT: call void @bar() [ "foo"(i32 100) ] ; CHECK-NEXT: ret i32 0 ; invoke void @bar( ) [ "foo"(i32 100) ] to label %1 unwind label %Rethrow ret i32 0 Rethrow: %exn = landingpad {i8*, i32} catch i8* null resume { i8*, i32 } %exn } declare i64 @dummy1() declare i64 @dummy2() ; This testcase checks to see if simplifycfg pass can convert two invoke ; instructions to call instructions if they share a common trivial unwind ; block. define i64 @test3(i1 %cond) personality i32 (...)* @__gxx_personality_v0 { ; CHECK-LABEL: @test3( ; CHECK-NEXT: entry: ; CHECK-NEXT: br i1 [[COND:%.*]], label [[BR1:%.*]], label [[BR2:%.*]] ; CHECK: br1: ; CHECK-NEXT: [[CALL1:%.*]] = call i64 @dummy1() ; CHECK-NEXT: br label [[INVOKE_CONT:%.*]] ; CHECK: br2: ; CHECK-NEXT: [[CALL2:%.*]] = call i64 @dummy2() ; CHECK-NEXT: br label [[INVOKE_CONT]] ; CHECK: invoke.cont: ; CHECK-NEXT: [[C:%.*]] = phi i64 [ [[CALL1]], [[BR1]] ], [ [[CALL2]], [[BR2]] ] ; CHECK-NEXT: ret i64 [[C]] ; entry: br i1 %cond, label %br1, label %br2 br1: %call1 = invoke i64 @dummy1() to label %invoke.cont unwind label %lpad1 br2: %call2 = invoke i64 @dummy2() to label %invoke.cont unwind label %lpad2 invoke.cont: %c = phi i64 [%call1, %br1], [%call2, %br2] ret i64 %c lpad1: %0 = landingpad { i8*, i32 } cleanup br label %rethrow rethrow: %lp = phi { i8*, i32 } [%0, %lpad1], [%1, %lpad2] resume { i8*, i32 } %lp lpad2: %1 = landingpad { i8*, i32 } cleanup br label %rethrow } declare i32 @__gxx_personality_v0(...)