test/CodeGen/WinEH/cppeh-prepared-catch-all.ll

   1 ; RUN: llc < %s | FileCheck %s
   2
   3 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
   4 target triple = "x86_64-pc-windows-msvc"
   5
   6 ; This test case is equivalent to:
   7 ; extern "C" void may_throw();
   8 ; extern "C" void test_catch_all() {
   9 ;   try {
  10 ;     may_throw();
  11 ;   } catch (...) {
  12 ;   }
  13 ; }
  14
  15 declare void @may_throw() #1
  16 declare i32 @__CxxFrameHandler3(...)
  17 declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #2
  18 declare void @llvm.eh.endcatch() #2
  19
  20 ; Function Attrs: nounwind uwtable
  21 define void @test_catch_all() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
  22 entry:
  23   invoke void @may_throw()
  24           to label %try.cont unwind label %lpad
  25
  26 lpad:                                             ; preds = %entry
  27   %0 = landingpad { i8*, i32 }
  28           catch i8* null
  29   %1 = extractvalue { i8*, i32 } %0, 0
  30   tail call void @llvm.eh.begincatch(i8* %1, i8* null) #2
  31   tail call void @llvm.eh.endcatch() #2
  32   br label %try.cont
  33
  34 try.cont:                                         ; preds = %entry, %lpad
  35   ret void
  36 }
  37
  38 ; CHECK-LABEL: $handlerMap$0$test_catch_all:
  39 ; CHECK:         .long   {{[0-9]+}}
  40 ; CHECK:         .long   0
  41 ; CHECK:         .long   0
  42 ; CHECK:         .long   test_catch_all.catch@IMGREL
  43 ; CHECK:         .long   .Ltest_catch_all.catch$parent_frame_offset
  44
  45 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
  46 attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
  47 attributes #2 = { nounwind }