summaryrefslogtreecommitdiff
path: root/test/CodeGen/XCore/offset_folding.ll
blob: 0328fb0460f3f8ea7d577d02cdb1d0af854aee16 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
; 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
}