1 ; RUN: llc -verify-machineinstrs < %s | FileCheck %s 2 3 ; BranchFolding used to remove our empty landingpad block, which is 4 ; undesirable. 5 6 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 7 target triple = "x86_64-pc-windows-msvc18.0.0" 8 9 declare i32 @__C_specific_handler(...) 10 11 declare void @bar() 12 13 define void @foo(i1 %cond) personality i32 (...)* @__C_specific_handler { 14 entry: 15 br i1 %cond, label %return, label %try 16 17 try: ; preds = %entry 18 invoke void @bar() 19 to label %fallthrough unwind label %dispatch 20 21 dispatch: ; preds = %try 22 %cs1 = catchswitch within none [label %catch] unwind to caller 23 24 catch: ; preds = %dispatch 25 %0 = catchpad within %cs1 [i8* null] 26 catchret from %0 to label %return 27 28 fallthrough: ; preds = %try 29 unreachable 30 31 return: ; preds = %catch, %entry 32 ret void 33 } 34 35 ; CHECK-LABEL: foo: # @foo 36 ; CHECK: testb $1, %cl 37 ; CHECK: je .LBB0_[[try:[0-9]+]] 38 ; CHECK: .LBB0_[[return:[0-9]+]]: 39 ; CHECK: retq 40 ; CHECK: .LBB0_[[try]]: 41 ; CHECK: .Ltmp0: 42 ; CHECK: callq bar 43 ; CHECK: .Ltmp1: 44 ; CHECK: .LBB0_[[catch:[0-9]+]]: 45 46 ; CHECK: .seh_handlerdata 47 ; CHECK-NEXT: .Lfoo$parent_frame_offset = 32 48 ; CHECK-NEXT: .long (.Llsda_end0-.Llsda_begin0)/16 49 ; CHECK-NEXT: .Llsda_begin0: 50 ; CHECK-NEXT: .long .Ltmp0@IMGREL+1 51 ; CHECK-NEXT: .long .Ltmp1@IMGREL+1 52 ; CHECK-NEXT: .long 1 53 ; CHECK-NEXT: .long .LBB0_[[catch]]@IMGREL 54