| Reid Kleckner | b9204a5 | 2015-11-11 23:09:31 +0000 | [diff] [blame^] | 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 | %0 = catchpad [i8* null] |
| 23 | to label %catch unwind label %catchendblock.i.i |
| 24 | |
| 25 | catch: ; preds = %dispatch |
| 26 | catchret %0 to label %return |
| 27 | |
| 28 | catchendblock.i.i: ; preds = %dispatch |
| 29 | catchendpad unwind to caller |
| 30 | |
| 31 | fallthrough: ; preds = %try |
| 32 | unreachable |
| 33 | |
| 34 | return: ; preds = %catch, %entry |
| 35 | ret void |
| 36 | } |
| 37 | |
| 38 | ; CHECK-LABEL: foo: # @foo |
| 39 | ; CHECK: testb $1, %cl |
| 40 | ; CHECK: jne .LBB0_[[return:[0-9]+]] |
| 41 | ; CHECK: .Ltmp0: |
| 42 | ; CHECK: callq bar |
| 43 | ; CHECK: .Ltmp1: |
| 44 | ; CHECK: .LBB0_[[catch:[0-9]+]]: |
| 45 | ; CHECK: .LBB0_[[return]]: |
| 46 | |
| 47 | ; CHECK: .seh_handlerdata |
| 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 |