1 ; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s
2 ; RUN: llc -march=mips64el -mcpu=mips4 < %s | \
3 ; RUN: FileCheck %s -check-prefix=CHECK-MIPS64
4 ; RUN: llc -march=mips64el -mcpu=mips64 < %s | \
5 ; RUN: FileCheck %s -check-prefix=CHECK-MIPS64
7 declare i8* @llvm.eh.dwarf.cfa(i32) nounwind
8 declare i8* @llvm.frameaddress(i32) nounwind readnone
10 define i8* @f1() nounwind {
12 %x = alloca [32 x i8], align 1
13 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
16 ; CHECK: addiu $sp, $sp, -32
17 ; CHECK: addiu $2, $sp, 32
21 define i8* @f2() nounwind {
23 %x = alloca [65536 x i8], align 1
24 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
27 ; check stack size (65536 + 8)
28 ; CHECK: lui $[[R0:[a-z0-9]+]], 65535
29 ; CHECK: addiu $[[R0]], $[[R0]], -8
30 ; CHECK: addu $sp, $sp, $[[R0]]
32 ; check return value ($sp + stack size)
33 ; CHECK: lui $[[R1:[a-z0-9]+]], 1
34 ; CHECK: addu $[[R1]], $sp, $[[R1]]
35 ; CHECK: addiu $2, $[[R1]], 8
39 define i32 @f3() nounwind {
41 %x = alloca [32 x i8], align 1
42 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
43 %1 = ptrtoint i8* %0 to i32
44 %2 = call i8* @llvm.frameaddress(i32 0)
45 %3 = ptrtoint i8* %2 to i32
49 ; CHECK: addiu $sp, $sp, -40
51 ; check return value ($fp + stack size + $fp)
52 ; CHECK: addiu $[[R0:[a-z0-9]+]], $fp, 40
53 ; CHECK: addu $2, $[[R0]], $fp
57 define i8* @f4() nounwind {
59 %x = alloca [32 x i8], align 1
60 %0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
63 ; CHECK-MIPS64: daddiu $sp, $sp, -32
64 ; CHECK-MIPS64: daddiu $2, $sp, 32