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1; RUN: llc < %s -mtriple=aarch64-apple-ios -verify-machineinstrs2 3; This function tests that the machine verifier accepts an unconditional4; branch from an invoke basic block, to its EH landing pad basic block.5; The test is brittle and isn't ideally reduced, because in most cases the6; branch would be removed (for instance, turned into a fallthrough), and in7; that case, the machine verifier, which relies on analyzing branches for this8; kind of verification, is unable to check anything, so accepts the CFG.9 10define void @test_branch_to_landingpad(i1 %arg) personality ptr @__objc_personality_v0 {11entry:12 br i1 %arg, label %if.end50.thread, label %if.then613 14lpad:15 %0 = landingpad { ptr, i32 }16 catch ptr @"OBJC_EHTYPE_$_NSString"17 catch ptr @OBJC_EHTYPE_id18 catch ptr null19 br i1 %arg, label %invoke.cont33, label %catch.fallthrough20 21catch.fallthrough:22 %matches31 = icmp eq i32 undef, 023 br i1 %matches31, label %invoke.cont41, label %finally.catchall24 25if.then6:26 invoke void @objc_exception_throw()27 to label %invoke.cont7 unwind label %lpad28 29invoke.cont7:30 unreachable31 32if.end50.thread:33 tail call void (ptr, ...) @printf(ptr @.str1, i32 125)34 tail call void (ptr, ...) @printf(ptr @.str1, i32 128)35 unreachable36 37invoke.cont33:38 tail call void (ptr, ...) @printf(ptr @.str1, i32 119)39 unreachable40 41invoke.cont41:42 invoke void @objc_exception_rethrow()43 to label %invoke.cont43 unwind label %lpad4044 45invoke.cont43:46 unreachable47 48lpad40:49 %1 = landingpad { ptr, i32 }50 catch ptr null51 br label %finally.catchall52 53finally.catchall:54 tail call void (ptr, ...) @printf(ptr @.str1, i32 125)55 unreachable56}57 58%struct._objc_typeinfo.12.129.194.285.350.493.519.532.571.597.623.765 = type { ptr, ptr, ptr }59%struct._class_t.10.127.192.283.348.491.517.530.569.595.621.764 = type { ptr, ptr, ptr, ptr, ptr }60%struct._objc_cache.0.117.182.273.338.481.507.520.559.585.611.754 = type opaque61%struct._class_ro_t.9.126.191.282.347.490.516.529.568.594.620.763 = type { i32, i32, i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr }62%struct.__method_list_t.2.119.184.275.340.483.509.522.561.587.613.756 = type { i32, i32, [0 x %struct._objc_method.1.118.183.274.339.482.508.521.560.586.612.755] }63%struct._objc_method.1.118.183.274.339.482.508.521.560.586.612.755 = type { ptr, ptr, ptr }64%struct._objc_protocol_list.6.123.188.279.344.487.513.526.565.591.617.760 = type { i64, [0 x ptr] }65%struct._protocol_t.5.122.187.278.343.486.512.525.564.590.616.759 = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, ptr }66%struct._ivar_list_t.8.125.190.281.346.489.515.528.567.593.619.762 = type { i32, i32, [0 x %struct._ivar_t.7.124.189.280.345.488.514.527.566.592.618.761] }67%struct._ivar_t.7.124.189.280.345.488.514.527.566.592.618.761 = type { ptr, ptr, ptr, i32, i32 }68%struct._prop_list_t.4.121.186.277.342.485.511.524.563.589.615.758 = type { i32, i32, [0 x %struct._prop_t.3.120.185.276.341.484.510.523.562.588.614.757] }69%struct._prop_t.3.120.185.276.341.484.510.523.562.588.614.757 = type { ptr, ptr }70 71@.str1 = external unnamed_addr constant [17 x i8], align 172@OBJC_EHTYPE_id = external global %struct._objc_typeinfo.12.129.194.285.350.493.519.532.571.597.623.76573@"OBJC_EHTYPE_$_NSString" = external global %struct._objc_typeinfo.12.129.194.285.350.493.519.532.571.597.623.765, section "__DATA,__datacoal_nt,coalesced", align 874 75declare void @objc_exception_throw()76declare void @objc_exception_rethrow()77declare i32 @__objc_personality_v0(...)78declare void @printf(ptr nocapture readonly, ...)79