llvm/test/CodeGen/XCore/global_negative_offset.ll
Richard Osborne 0e6c1c536b Don't fold negative offsets into cp / dp accesses to avoid relocation errors.
This can happen if the address + addend is less than the start of the cp / dp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143459 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01 11:31:53 +00:00

26 lines
615 B
LLVM

; RUN: llc < %s -march=xcore | FileCheck %s
; Don't fold negative offsets into cp / dp accesses to avoid a relocation
; error if the address + addend is less than the start of the cp / dp.
@a = external constant [0 x i32], section ".cp.rodata"
@b = external global [0 x i32]
define i32 *@f() nounwind {
entry:
; CHECK: f:
; CHECK: ldaw r11, cp[a]
; CHECK: sub r0, r11, 4
%0 = getelementptr [0 x i32]* @a, i32 0, i32 -1
ret i32* %0
}
define i32 *@g() nounwind {
entry:
; CHECK: g:
; CHECK: ldaw [[REG:r[0-9]+]], dp[b]
; CHECK: sub r0, [[REG]], 4
%0 = getelementptr [0 x i32]* @b, i32 0, i32 -1
ret i32* %0
}