1 ; RUN: llc -verify-machineinstrs < %s | FileCheck %s 2 3 ; We used to have an issue where we inserted an MBB between invoke.cont.3 and 4 ; its fallthrough target of ret void. 5 6 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" 7 target triple = "i386-pc-windows-msvc18.0.0" 8 9 @some_global = global i32 0 10 11 declare i32 @__CxxFrameHandler3(...) 12 13 declare void @g() 14 15 define void @f() personality i32 (...)* @__CxxFrameHandler3 { 16 entry: 17 invoke void @g() 18 to label %invoke.cont.3 unwind label %catch.dispatch 19 20 catch.dispatch: ; preds = %entry 21 %cs1 = catchswitch within none [label %catch] unwind to caller 22 23 catch: ; preds = %catch.dispatch 24 %0 = catchpad within %cs1 [i8* null, i32 64, i8* null] 25 catchret from %0 to label %nrvo.skipdtor 26 27 invoke.cont.3: ; preds = %entry 28 store i32 123, i32* @some_global 29 br label %nrvo.skipdtor 30 31 nrvo.skipdtor: ; preds = %invoke.cont.3, %invoke.cont.4 32 ret void 33 } 34 35 ; CHECK-LABEL: _f: # @f 36 ; CHECK: calll _g 37 ; CHECK: movl $123, _some_global 38 ; CHECK-NOT: jmp 39 ; CHECK-NOT: movl {{.*}}, %esp 40 ; CHECK: retl 41 ; CHECK: addl $12, %ebp 42 ; CHECK: jmp LBB0_{{.*}} 43