1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-25 20:23:11 +01:00
llvm-mirror/test/CodeGen/X86/win32-seh-nested-finally.ll
David Majnemer 870f172298 [WinEH] Add comments explaining the EH tables
This is aids in debugging WinEH, similar functionality is present for
DWARF EH.

llvm-svn: 256455
2015-12-27 06:07:12 +00:00

81 lines
2.9 KiB
LLVM

; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
target triple = "i686-pc-windows-msvc"
define void @nested_finally() #0 personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
entry:
invoke void @f(i32 1) #3
to label %invoke.cont unwind label %ehcleanup
invoke.cont: ; preds = %entry
invoke void @f(i32 2) #3
to label %invoke.cont.1 unwind label %ehcleanup.3
invoke.cont.1: ; preds = %invoke.cont
call void @f(i32 3) #3
ret void
ehcleanup: ; preds = %entry
%0 = cleanuppad within none []
invoke void @f(i32 2) #3 [ "funclet"(token %0) ]
to label %invoke.cont.2 unwind label %ehcleanup.3
invoke.cont.2: ; preds = %ehcleanup
cleanupret from %0 unwind label %ehcleanup.3
ehcleanup.3: ; preds = %invoke.cont.2, %ehcleanup.end, %invoke.cont
%1 = cleanuppad within none []
call void @f(i32 3) #3 [ "funclet"(token %1) ]
cleanupret from %1 unwind to caller
}
declare void @f(i32) #0
declare i32 @_except_handler3(...)
attributes #0 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { noinline nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind readnone }
attributes #3 = { noinline }
; CHECK: _nested_finally:
; CHECK: movl $-1, -[[state:[0-9]+]](%ebp)
; CHECK: movl {{.*}}, %fs:0
; CHECK: movl $1, -[[state]](%ebp)
; CHECK: movl $1, (%esp)
; CHECK: calll _f
; CHECK: movl $0, -[[state]](%ebp)
; CHECK: movl $2, (%esp)
; CHECK: calll _f
; CHECK: movl $-1, -[[state]](%ebp)
; CHECK: movl $3, (%esp)
; CHECK: calll _f
; CHECK: retl
; CHECK: LBB0_[[inner:[0-9]+]]: # %ehcleanup
; CHECK: pushl %ebp
; CHECK: addl $12, %ebp
; CHECK: movl $0, -[[state]](%ebp)
; CHECK: movl $2, (%esp)
; CHECK: calll _f
; CHECK: popl %ebp
; CHECK: retl
; CHECK: LBB0_[[outer:[0-9]+]]: # %ehcleanup.3
; CHECK: pushl %ebp
; CHECK: addl $12, %ebp
; CHECK: movl $-1, -[[state]](%ebp)
; CHECK: movl $3, (%esp)
; CHECK: calll _f
; CHECK: popl %ebp
; CHECK: retl
; CHECK: L__ehtable$nested_finally:
; CHECK: .long -1 # ToState
; CHECK: .long 0 # Null
; CHECK: .long "?dtor$[[outer]]@?0?nested_finally@4HA" # FinallyFunclet
; CHECK: .long 0 # ToState
; CHECK: .long 0 # Null
; CHECK: .long "?dtor$[[inner]]@?0?nested_finally@4HA" # FinallyFunclet