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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
; RUN: llc < %s -march=xcore | FileCheck %s
@a = external constant [0 x i32], section ".cp.rodata"
@b = external global [0 x i32]
define i32 *@f1() nounwind {
entry:
; CHECK-LABEL: f1:
; CHECK: ldaw r11, cp[a+4]
; CHECK: mov r0, r11
%0 = getelementptr [0 x i32]* @a, i32 0, i32 1
ret i32* %0
}
define i32 *@f2() nounwind {
entry:
; CHECK-LABEL: f2:
; CHECK: ldaw r0, dp[b+4]
%0 = getelementptr [0 x i32]* @b, i32 0, i32 1
ret i32* %0
}
; 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.
define i32 *@f3() nounwind {
entry:
; CHECK-LABEL: f3:
; 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 *@f4() nounwind {
entry:
; CHECK-LABEL: f4:
; 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
}
|
