[clang][clang-cl][x86] <unknown>:0: error: value evaluated as 264 is out of range.

[romanholidaypancakes]

• test.cpp

#include "stdio.h"
#include <windows.h>

int main() { return 0; }

• Generate assembly and edit the assembly file to add the following content

	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	my_fun:

clang

• generate the program

	.text
	.def	@feat.00;
	.scl	3;
	.type	0;
	.endef
	.globl	@feat.00
.set @feat.00, 0
	.intel_syntax noprefix
	.file	"test.cpp"
	.def	main;
	.scl	2;
	.type	32;
	.endef
	.globl	main                            # -- Begin function main
	.p2align	4, 0x90
main:                                   # @main
.seh_proc main
# %bb.0:
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	my_fun:
	push	rax
	.seh_stackalloc 8
	.seh_endprologue
	mov	dword ptr [rsp + 4], 0
	xor	eax, eax
	pop	rcx
	ret
	.seh_endproc
                                        # -- End function
	.section	.drectve,"yni"
	.ascii	" /DEFAULTLIB:libcmt.lib"
	.ascii	" /DEFAULTLIB:oldnames.lib"
	.ascii	" /FAILIFMISMATCH:\"_CRT_STDIO_ISO_WIDE_SPECIFIERS=0\""
	.ascii	" /DEFAULTLIB:uuid.lib"
	.ascii	" /DEFAULTLIB:uuid.lib"
	.addrsig

• code compilation failed. It seems that if you call call my_fun greater than 50, you will get an error message, which should not be, as long as the instruction is valid, it should compile successfully

clang-cl test.asm
<unknown>:0: error: value evaluated as 271 is out of range.
<unknown>:0: error: value evaluated as 271 is out of range.

gcc

• generate the program

	.file	"test.cpp"
	.intel_syntax noprefix
	.text
	.def	___main;	.scl	2;	.type	32;	.endef
	.section .rdata,"dr"
LC0:
	.ascii "hello world\0"
	.align 2
LC1:
	.ascii "h\0e\0l\0l\0o\0 \0w\0o\0r\0l\0d\0\0\0"
	.align 2
LC2:
	.ascii "`O}Y\26NLu\0\0"
	.text
	.globl	_main
	.def	_main;	.scl	2;	.type	32;	.endef
_main:
LFB516:
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	call my_fun
	call my_fun
	call my_fun	
	my_fun:
	.cfi_startproc
	lea	ecx, [esp+4]
	.cfi_def_cfa 1, 0
	and	esp, -16
	push	DWORD PTR [ecx-4]
	push	ebp
	.cfi_escape 0x10,0x5,0x2,0x75,0
	mov	ebp, esp
	push	ecx
	.cfi_escape 0xf,0x3,0x75,0x7c,0x6
	sub	esp, 20
	call	___main
	mov	DWORD PTR [esp], OFFSET FLAT:LC0
	call	_printf
	mov	DWORD PTR [esp+12], 0
	mov	DWORD PTR [esp+8], OFFSET FLAT:LC1
	mov	DWORD PTR [esp+4], OFFSET FLAT:LC2
	mov	DWORD PTR [esp], 0
	mov	eax, DWORD PTR __imp__MessageBoxW@16
	call	eax
	sub	esp, 16
	mov	eax, 0
	mov	ecx, DWORD PTR [ebp-4]
	.cfi_def_cfa 1, 0
	leave
	.cfi_restore 5
	lea	esp, [ecx-4]
	.cfi_def_cfa 4, 4
	ret
	.cfi_endproc
LFE516:
	.ident	"GCC: (i686-win32-dwarf-rev0, Built by MinGW-W64 project) 8.1.0"
	.def	_printf;	.scl	2;	.type	32;	.endef

• code compiled successfully

gcc.exe test.s

[romanholidaypancakes]

Any news on fixing this bug, please contact me if you need more information, I'm currently working on something related to this.

[llvmbot]

@llvm/issue-subscribers-backend-x86

[kutelev]

I am facing the very same issue. It makes me rewrite fully valid code so it compiles.