llvm-mirror/test/CodeGen/WinEH/wineh-noret-cleanup.ll
Andrew Kaylor bfc4ce4b74 Avoid infinite loops in branch folding
Differential Revision: https://reviews.llvm.org/D27582

llvm-svn: 289486
2016-12-12 23:05:38 +00:00

81 lines
2.5 KiB
LLVM

; RUN: sed -e s/.Cxx:// %s | llc -mtriple=x86_64-pc-windows-msvc | FileCheck %s --check-prefix=CXX
; RUN: sed -e s/.Seh:// %s | llc -mtriple=x86_64-pc-windows-msvc | FileCheck %s --check-prefix=SEH
declare i32 @__CxxFrameHandler3(...)
declare i32 @__C_specific_handler(...)
declare void @dummy_filter()
declare void @f(i32)
;Cxx: define void @test() personality i32 (...)* @__CxxFrameHandler3 {
;Seh: define void @test() personality i32 (...)* @__C_specific_handler {
entry:
invoke void @f(i32 1)
to label %invoke.cont unwind label %catch.dispatch
catch.dispatch:
%cs1 = catchswitch within none [label %catch.body] unwind label %catch.dispatch.2
catch.body:
;Cxx: %catch = catchpad within %cs1 [i8* null, i32 u0x40, i8* null]
;Seh: %catch = catchpad within %cs1 [void ()* @dummy_filter]
invoke void @f(i32 2) [ "funclet"(token %catch) ]
to label %unreachable unwind label %terminate
terminate:
%cleanup = cleanuppad within %catch []
call void @f(i32 3) [ "funclet"(token %cleanup) ]
unreachable
unreachable:
unreachable
invoke.cont:
ret void
catch.dispatch.2:
%cs2 = catchswitch within none [label %catch.body.2] unwind to caller
catch.body.2:
;Cxx: %catch2 = catchpad within %cs2 [i8* null, i32 u0x40, i8* null]
;Seh: %catch2 = catchpad within %cs2 [void ()* @dummy_filter]
unreachable
}
; CXX-LABEL: test:
; CXX-LABEL: $ip2state$test:
; CXX-NEXT: .long .Lfunc_begin0@IMGREL
; CXX-NEXT: .long -1
; CXX-NEXT: .long .Ltmp0@IMGREL+1
; CXX-NEXT: .long 1
; CXX-NEXT: .long .Ltmp1@IMGREL+1
; CXX-NEXT: .long -1
; CXX-NEXT: .long "?catch$3@?0?test@4HA"@IMGREL
; CXX-NEXT: .long 2
; CXX-NEXT: .long .Ltmp2@IMGREL+1
; CXX-NEXT: .long 3
; CXX-NEXT: .long .Ltmp3@IMGREL+1
; CXX-NEXT: .long 2
; CXX-NEXT: .long "?catch$5@?0?test@4HA"@IMGREL
; CXX-NEXT: .long 4
; SEH-LABEL: test:
; SEH-LABEL: .Llsda_begin0:
; SEH-NEXT: .long .Ltmp0@IMGREL+1
; SEH-NEXT: .long .Ltmp1@IMGREL+1
; SEH-NEXT: .long dummy_filter@IMGREL
; SEH-NEXT: .long .LBB0_3@IMGREL
; SEH-NEXT: .long .Ltmp0@IMGREL+1
; SEH-NEXT: .long .Ltmp1@IMGREL+1
; SEH-NEXT: .long dummy_filter@IMGREL
; SEH-NEXT: .long .LBB0_5@IMGREL
; SEH-NEXT: .long .Ltmp2@IMGREL+1
; SEH-NEXT: .long .Ltmp3@IMGREL+1
; SEH-NEXT: .long "?dtor$2@?0?test@4HA"@IMGREL
; SEH-NEXT: .long 0
; SEH-NEXT: .long .Ltmp2@IMGREL+1
; SEH-NEXT: .long .Ltmp3@IMGREL+1
; SEH-NEXT: .long dummy_filter@IMGREL
; SEH-NEXT: .long .LBB0_5@IMGREL
; SEH-NEXT: .Llsda_end0: