llvm-project/llvm/test/CodeGen/X86/win-catchpad-nested-cxx.ll

106 lines
2.9 KiB
LLVM

; RUN: llc -verify-machineinstrs -mtriple=i686-pc-windows-msvc < %s \
; RUN: | FileCheck --check-prefix=CHECK --check-prefix=X86 %s
; RUN: llc -verify-machineinstrs -mtriple=x86_64-pc-windows-msvc < %s \
; RUN: | FileCheck --check-prefix=CHECK --check-prefix=X64 %s
; Loosely based on IR for this C++ source code:
; void f(int p);
; void try_in_catch() {
; try {
; f(1);
; } catch (...) {
; try {
; f(2);
; } catch (...) {
; f(3);
; }
; }
; }
declare void @f(i32 %p)
declare i32 @__CxxFrameHandler3(...)
define i32 @try_in_catch() personality i32 (...)* @__CxxFrameHandler3 {
entry:
invoke void @f(i32 1)
to label %try.cont unwind label %catch.dispatch.1
try.cont:
ret i32 0
catch.dispatch.1:
%cs1 = catchswitch within none [label %handler1] unwind to caller
handler1:
%h1 = catchpad within %cs1 [i8* null, i32 64, i8* null]
invoke void @f(i32 2)
to label %catchret1 unwind label %catch.dispatch.2
catchret1:
catchret from %h1 to label %try.cont
catch.dispatch.2:
%cs2 = catchswitch within %h1 [label %handler2] unwind to caller
handler2:
%h2 = catchpad within %cs2 [i8* null, i32 64, i8* null]
call void @f(i32 3)
catchret from %h2 to label %catchret1
}
; X86-LABEL: L__ehtable$try_in_catch:
; X64-LABEL: $cppxdata$try_in_catch:
; CHECK-NEXT: .long 429065506
; CHECK-NEXT: .long 4
; CHECK-NEXT: .long ($stateUnwindMap$try_in_catch)
; CHECK-NEXT: .long 2
; CHECK-NEXT: .long ($tryMap$try_in_catch)
; ip2state num + ptr
; X86-NEXT: .long 0
; X86-NEXT: .long 0
; X64-NEXT: .long 7
; X64-NEXT: .long ($ip2state$try_in_catch)
; unwindhelp offset
; X64-NEXT: .long 40
; CHECK-NEXT: .long 0
; EHFlags
; CHECK-NEXT: .long 1
; CHECK: $tryMap$try_in_catch:
; CHECK-NEXT: .long 2
; CHECK-NEXT: .long 2
; CHECK-NEXT: .long 3
; CHECK-NEXT: .long 1
; CHECK-NEXT: .long ($handlerMap$0$try_in_catch)
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 3
; CHECK-NEXT: .long 1
; CHECK-NEXT: .long ($handlerMap$1$try_in_catch)
; CHECK: $handlerMap$0$try_in_catch:
; CHECK-NEXT: .long 64
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long "?catch${{[0-9]+}}@?0?try_in_catch@4HA"
; X64-NEXT: .long 56
; CHECK: $handlerMap$1$try_in_catch:
; CHECK-NEXT: .long 64
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long "?catch${{[0-9]+}}@?0?try_in_catch@4HA"
; X64-NEXT: .long 56
; X64: $ip2state$try_in_catch:
; X64-NEXT: .long .Lfunc_begin0@IMGREL
; X64-NEXT: .long -1
; X64-NEXT: .long .Ltmp0@IMGREL+1
; X64-NEXT: .long 0
; X64-NEXT: .long .Ltmp1@IMGREL+1
; X64-NEXT: .long -1
; X64-NEXT: .long "?catch$2@?0?try_in_catch@4HA"@IMGREL
; X64-NEXT: .long 1
; X64-NEXT: .long .Ltmp2@IMGREL+1
; X64-NEXT: .long 2
; X64-NEXT: .long .Ltmp3@IMGREL+1
; X64-NEXT: .long 1
; X64-NEXT: .long "?catch$4@?0?try_in_catch@4HA"@IMGREL
; X64-NEXT: .long 3