forked from OSchip/llvm-project
104 lines
4.9 KiB
LLVM
104 lines
4.9 KiB
LLVM
; RUN: llc -verify-machineinstrs -mtriple x86_64-pc-linux-gnu -filetype=asm < %s | \
|
|
; RUN: FileCheck --check-prefixes=ASM,ULEB128 %s
|
|
; RUN: llc -verify-machineinstrs -mtriple x86_64-pc-linux-gnu -use-leb128-directives=true -filetype=asm < %s | \
|
|
; RUN: FileCheck --check-prefixes=ASM,ULEB128 %s
|
|
; RUN: llc -verify-machineinstrs -mtriple x86_64-pc-linux-gnu -use-leb128-directives=false -filetype=asm < %s | \
|
|
; RUN: FileCheck --check-prefixes=ASM,NO128 %s
|
|
|
|
@_ZTIi = external dso_local constant i8*
|
|
|
|
define dso_local i32 @main() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
entry:
|
|
%retval = alloca i32, align 4
|
|
%exn.slot = alloca i8*, align 8
|
|
%ehselector.slot = alloca i32, align 4
|
|
store i32 0, i32* %retval, align 4
|
|
%exception = call i8* @__cxa_allocate_exception(i64 4) #1
|
|
%0 = bitcast i8* %exception to i32*
|
|
store i32 1, i32* %0, align 16
|
|
invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) #2
|
|
to label %unreachable unwind label %lpad
|
|
|
|
lpad: ; preds = %entry
|
|
%1 = landingpad { i8*, i32 }
|
|
catch i8* null
|
|
%2 = extractvalue { i8*, i32 } %1, 0
|
|
store i8* %2, i8** %exn.slot, align 8
|
|
%3 = extractvalue { i8*, i32 } %1, 1
|
|
store i32 %3, i32* %ehselector.slot, align 4
|
|
br label %catch
|
|
|
|
catch: ; preds = %lpad
|
|
%exn = load i8*, i8** %exn.slot, align 8
|
|
%4 = call i8* @__cxa_begin_catch(i8* %exn) #1
|
|
store i32 2, i32* %retval, align 4
|
|
call void @__cxa_end_catch()
|
|
br label %return
|
|
|
|
try.cont: ; No predecessors!
|
|
store i32 1, i32* %retval, align 4
|
|
br label %return
|
|
|
|
return: ; preds = %try.cont, %catch
|
|
%5 = load i32, i32* %retval, align 4
|
|
ret i32 %5
|
|
|
|
unreachable: ; preds = %entry
|
|
unreachable
|
|
}
|
|
|
|
; ASM: GCC_except_table0:
|
|
; ASM: .Lexception0:
|
|
; ASM: .byte 255 # @LPStart Encoding = omit
|
|
; ASM: .byte 3 # @TType Encoding = udata4
|
|
|
|
; NO128: .byte 49
|
|
; NO128: .byte 3 # Call site Encoding = udata4
|
|
; NO128: .byte 39
|
|
; NO128: .long .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 <<
|
|
; NO128: .long .Ltmp0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Ltmp0
|
|
; NO128: .long 0 # has no landing pad
|
|
; NO128: .byte 0 # On action: cleanup
|
|
; NO128: .long .Ltmp0-.Lfunc_begin0 # >> Call Site 2 <<
|
|
; NO128: .long .Ltmp1-.Ltmp0 # Call between .Ltmp0 and .Ltmp1
|
|
; NO128: .long .Ltmp2-.Lfunc_begin0 # jumps to .Ltmp2
|
|
; NO128: .byte 1 # On action: 1
|
|
; NO128: .long .Ltmp1-.Lfunc_begin0 # >> Call Site 3 <<
|
|
; NO128: .long .Lfunc_end0-.Ltmp1 # Call between .Ltmp1 and .Lfunc_end0
|
|
; NO128: .long 0 # has no landing pad
|
|
; NO128: .byte 0 # On action: cleanup
|
|
|
|
; ULEB128: .uleb128 .Lttbase0-.Lttbaseref0
|
|
; ULEB128: .Lttbaseref0:
|
|
; ULEB128: .byte 1 # Call site Encoding = uleb128
|
|
; ULEB128: .uleb128 .Lcst_end0-.Lcst_begin0
|
|
; ULEB128: .Lcst_begin0:
|
|
; ULEB128: .uleb128 .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 <<
|
|
; ULEB128: .uleb128 .Ltmp0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Ltmp0
|
|
; ULEB128: .byte 0 # has no landing pad
|
|
; ULEB128: .byte 0 # On action: cleanup
|
|
; ULEB128: .uleb128 .Ltmp0-.Lfunc_begin0 # >> Call Site 2 <<
|
|
; ULEB128: .uleb128 .Ltmp1-.Ltmp0 # Call between .Ltmp0 and .Ltmp1
|
|
; ULEB128: .uleb128 .Ltmp2-.Lfunc_begin0 # jumps to .Ltmp2
|
|
; ULEB128: .byte 1 # On action: 1
|
|
; ULEB128: .uleb128 .Ltmp1-.Lfunc_begin0 # >> Call Site 3 <<
|
|
; ULEB128: .uleb128 .Lfunc_end0-.Ltmp1 # Call between .Ltmp1 and .Lfunc_end0
|
|
; ULEB128: .byte 0 # has no landing pad
|
|
; ULEB128: .byte 0 # On action: cleanup
|
|
|
|
; ASM: .Lcst_end0:
|
|
; ASM: .byte 1 # >> Action Record 1 <<
|
|
; ASM: # Catch TypeInfo 1
|
|
; ASM: .byte 0 # No further actions
|
|
; ASM: .p2align 2
|
|
; ASM: # >> Catch TypeInfos <<
|
|
; ASM: .long 0 # TypeInfo 1
|
|
; ASM: .Lttbase0:
|
|
; ASM: .p2align 2
|
|
|
|
declare dso_local i8* @__cxa_allocate_exception(i64)
|
|
declare dso_local void @__cxa_throw(i8*, i8*, i8*)
|
|
declare dso_local i32 @__gxx_personality_v0(...)
|
|
declare dso_local i8* @__cxa_begin_catch(i8*)
|
|
declare dso_local void @__cxa_end_catch()
|