| ; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s |
| ; RUN: llc -march=mips64el -mcpu=mips4 < %s | \ |
| ; RUN: FileCheck %s -check-prefix=CHECK-MIPS64 |
| ; RUN: llc -march=mips64el -mcpu=mips64 < %s | \ |
| ; RUN: FileCheck %s -check-prefix=CHECK-MIPS64 |
| |
| declare ptr @llvm.eh.dwarf.cfa(i32) nounwind |
| declare ptr @llvm.frameaddress(i32) nounwind readnone |
| |
| define ptr @f1() nounwind { |
| entry: |
| %x = alloca [32 x i8], align 1 |
| %0 = call ptr @llvm.eh.dwarf.cfa(i32 0) |
| ret ptr %0 |
| |
| ; CHECK-LABEL: f1: |
| |
| ; CHECK: addiu $sp, $sp, -32 |
| ; CHECK: addiu $2, $sp, 32 |
| } |
| |
| |
| define ptr @f2() nounwind { |
| entry: |
| %x = alloca [65536 x i8], align 1 |
| %0 = call ptr @llvm.eh.dwarf.cfa(i32 0) |
| ret ptr %0 |
| |
| ; CHECK-LABEL: f2: |
| |
| ; check stack size (65536 + 8) |
| ; CHECK: lui $[[R0:[a-z0-9]+]], 1 |
| ; CHECK: addiu $[[R0]], $[[R0]], 8 |
| ; CHECK: subu $sp, $sp, $[[R0]] |
| |
| ; check return value ($sp + stack size) |
| ; CHECK: lui $[[R1:[a-z0-9]+]], 1 |
| ; CHECK: addu $[[R1]], $sp, $[[R1]] |
| ; CHECK: addiu $2, $[[R1]], 8 |
| } |
| |
| |
| define i32 @f3() nounwind { |
| entry: |
| %x = alloca [32 x i8], align 1 |
| %0 = call ptr @llvm.eh.dwarf.cfa(i32 0) |
| %1 = ptrtoint ptr %0 to i32 |
| %2 = call ptr @llvm.frameaddress(i32 0) |
| %3 = ptrtoint ptr %2 to i32 |
| %add = add i32 %1, %3 |
| ret i32 %add |
| |
| ; CHECK-LABEL: f3: |
| |
| ; CHECK: addiu $sp, $sp, -40 |
| |
| ; check return value ($fp + stack size + $fp) |
| ; CHECK: addiu $[[R0:[a-z0-9]+]], $fp, 40 |
| ; CHECK: addu $2, $[[R0]], $fp |
| } |
| |
| |
| define ptr @f4() nounwind { |
| entry: |
| %x = alloca [32 x i8], align 1 |
| %0 = call ptr @llvm.eh.dwarf.cfa(i32 0) |
| ret ptr %0 |
| |
| ; CHECK-LABEL: f4: |
| |
| ; CHECK-MIPS64: daddiu $sp, $sp, -32 |
| ; CHECK-MIPS64: daddiu $2, $sp, 32 |
| } |