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