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
|
; Functions with frames > 256K bytes require a frame pointer to access the stack.
; At present, functions must be compiled using '-fno-omit-frame-pointer'.
; RUN: llc < %s -march=xcore -disable-fp-elim | FileCheck %s
declare void @f0(i32*)
; CHECK: .section .cp.rodata.cst4,"aMc",@progbits,4
; CHECK: .LCPI[[NUM:[0-9_]+]]:
; CHECK: .long 99999
; CHECK: .text
; CHECK-LABEL:f1
; CHECK: entsp 65535
; CHECK-NEXT: extsp 34465
; CHECK-NEXT: stw r10, sp[1]
; CHECK-NEXT: ldaw r10, sp[0]
; CHECK-NEXT: ldw r1, cp[.LCPI[[NUM]]]
; CHECK-NEXT: ldaw r0, r10[r1]
; CHECK-NEXT: extsp 1
; CHECK-NEXT: bl f0
; CHECK-NEXT: ldaw sp, sp[1]
; CHECK-NEXT: set sp, r10
; CHECK-NEXT: ldw r10, sp[1]
; CHECK-NEXT: ldaw sp, sp[65535]
; CHECK-NEXT: retsp 34465
define void @f1() nounwind {
entry:
%0 = alloca [99998 x i32]
%1 = getelementptr inbounds [99998 x i32]* %0, i32 0, i32 99997
call void @f0(i32* %1)
ret void
}
; CHECK-LABEL:f2
; CHECK: mkmsk [[REG:r[0-9]+]], 15
; CHECK-NEXT: ldaw r0, r10{{\[}}[[REG]]{{\]}}
define void @f2() nounwind {
entry:
%0 = alloca [32768 x i32]
%1 = getelementptr inbounds [32768 x i32]* %0, i32 0, i32 32765
call void @f0(i32* %1)
ret void
}
|
