test/Transforms/SimplifyCFG/merge-cleanuppads.ll

   1 ; RUN: opt -S -simplifycfg < %s | FileCheck %s
   2 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
   3 target triple = "x86_64-pc-windows-msvc18.0.0"
   4
   5 ; Function Attrs: uwtable
   6 define void @test1() #0 personality i32 (...)* @__CxxFrameHandler3 {
   7 entry:
   8   invoke void @may_throw(i32 3)
   9           to label %invoke.cont unwind label %ehcleanup
  10
  11 invoke.cont:                                      ; preds = %entry
  12   tail call void @may_throw(i32 2) #2
  13   tail call void @may_throw(i32 1) #2
  14   ret void
  15
  16 ehcleanup:                                        ; preds = %entry
  17   %cp = cleanuppad within none []
  18   tail call void @may_throw(i32 2) #2 [ "funclet"(token %cp) ]
  19   cleanupret from %cp unwind label %ehcleanup2
  20
  21 ehcleanup2:
  22   %cp2 = cleanuppad within none []
  23   tail call void @may_throw(i32 1) #2 [ "funclet"(token %cp2) ]
  24   cleanupret from %cp2 unwind to caller
  25 }
  26
  27 ; CHECK-LABEL: define void @test1(
  28 ; CHECK: %[[cp:.*]] = cleanuppad within none []
  29 ; CHECK: tail call void @may_throw(i32 2) #2 [ "funclet"(token %[[cp]]) ]
  30 ; CHECK: tail call void @may_throw(i32 1) #2 [ "funclet"(token %[[cp]]) ]
  31 ; CHECK: cleanupret from %[[cp]] unwind to caller
  32
  33 declare void @may_throw(i32) #1
  34
  35 declare i32 @__CxxFrameHandler3(...)
  36
  37 attributes #0 = { uwtable "disable-tail-calls"="false" "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" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
  38 attributes #1 = { "disable-tail-calls"="false" "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" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
  39 attributes #2 = { nounwind }