1 ; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s
2 ; RUN: llc -march=mips64el -mcpu=mips64 < %s | \
3 ; RUN: FileCheck %s -check-prefix=CHECK-MIPS64
5 declare i8* @llvm.eh.dwarf.cfa(i32) nounwind
6 declare i8* @llvm.frameaddress(i32) nounwind readnone
8 define i8* @f1() nounwind {
10 %x = alloca [32 x i8], align 1
11 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
14 ; CHECK: addiu $sp, $sp, -32
15 ; CHECK: addiu $2, $sp, 32
19 define i8* @f2() nounwind {
21 %x = alloca [65536 x i8], align 1
22 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
25 ; check stack size (65536 + 8)
26 ; CHECK: lui $[[R0:[a-z0-9]+]], 65535
27 ; CHECK: addiu $[[R0]], $[[R0]], -8
28 ; CHECK: addu $sp, $sp, $[[R0]]
30 ; check return value ($sp + stack size)
31 ; CHECK: lui $[[R1:[a-z0-9]+]], 1
32 ; CHECK: addu $[[R1]], $sp, $[[R1]]
33 ; CHECK: addiu $2, $[[R1]], 8
37 define i32 @f3() nounwind {
39 %x = alloca [32 x i8], align 1
40 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
41 %1 = ptrtoint i8* %0 to i32
42 %2 = call i8* @llvm.frameaddress(i32 0)
43 %3 = ptrtoint i8* %2 to i32
47 ; CHECK: addiu $sp, $sp, -40
49 ; check return value ($fp + stack size + $fp)
50 ; CHECK: addiu $[[R0:[a-z0-9]+]], $fp, 40
51 ; CHECK: addu $2, $[[R0]], $fp
55 define i8* @f4() nounwind {
57 %x = alloca [32 x i8], align 1
58 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
61 ; CHECK-MIPS64: daddiu $sp, $sp, -32
62 ; CHECK-MIPS64: daddiu $2, $sp, 32