llvm-for-llvmta/test/CodeGen/X86/callbr-asm-errors.ll

19 lines
453 B
LLVM

; RUN: not llc -mtriple=i686-- < %s 2> %t
; RUN: FileCheck %s < %t
; CHECK: Duplicate callbr destination
; A test for asm-goto duplicate labels limitation
define i32 @test(i32 %a) {
entry:
%0 = add i32 %a, 4
callbr void asm "xorl $0, $0; jmp ${1:l}", "r,X,X,~{dirflag},~{fpsr},~{flags}"(i32 %0, i8* blockaddress(@test, %fail), i8* blockaddress(@test, %fail)) to label %normal [label %fail, label %fail]
normal:
ret i32 %0
fail:
ret i32 1
}