| ; RUN: llc -mtriple=mips-linux-gnu -relocation-model=static < %s | FileCheck --check-prefixes=ALL,O32 %s |
| ; RUN: llc -mtriple=mipsel-linux-gnu -relocation-model=static < %s | FileCheck --check-prefixes=ALL,O32 %s |
| |
| ; RUN-TODO: llc -mtriple=mips64-linux-gnu -relocation-model=static -target-abi o32 < %s | FileCheck --check-prefixes=ALL,O32 %s |
| ; RUN-TODO: llc -mtriple=mips64el-linux-gnu -relocation-model=static -target-abi o32 < %s | FileCheck --check-prefixes=ALL,O32 %s |
| |
| ; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s |
| ; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s |
| |
| ; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s |
| ; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s |
| |
| ; Test the integer returns for all ABI's and byte orders as specified by |
| ; section 5 of MD00305 (MIPS ABIs Described). |
| |
| ; We only test Linux because other OS's use different relocations and I don't |
| ; know if this is correct. |
| |
| @byte = global i8 zeroinitializer |
| @word = global i32 zeroinitializer |
| @dword = global i64 zeroinitializer |
| @float = global float zeroinitializer |
| @double = global double zeroinitializer |
| |
| define i8 @reti8() nounwind { |
| entry: |
| %0 = load volatile i8, ptr @byte |
| ret i8 %0 |
| } |
| |
| ; ALL-LABEL: reti8: |
| ; O32-DAG: lui [[R1:\$[0-9]+]], %hi(byte) |
| ; O32-DAG: lbu $2, %lo(byte)([[R1]]) |
| ; N32-DAG: lui [[R1:\$[0-9]+]], %hi(byte) |
| ; N32-DAG: lbu $2, %lo(byte)([[R1]]) |
| ; N64-DAG: lui [[R1:\$[0-9]+]], %highest(byte) |
| ; N64-DAG: lbu $2, %lo(byte)([[R1]]) |
| |
| define i32 @reti32() nounwind { |
| entry: |
| %0 = load volatile i32, ptr @word |
| ret i32 %0 |
| } |
| |
| ; ALL-LABEL: reti32: |
| ; O32-DAG: lui [[R1:\$[0-9]+]], %hi(word) |
| ; O32-DAG: lw $2, %lo(word)([[R1]]) |
| ; N32-DAG: lui [[R1:\$[0-9]+]], %hi(word) |
| ; N32-DAG: lw $2, %lo(word)([[R1]]) |
| ; N64-DAG: lui [[R1:\$[0-9]+]], %highest(word) |
| ; N64-DAG: lw $2, %lo(word)([[R1]]) |
| |
| define i64 @reti64() nounwind { |
| entry: |
| %0 = load volatile i64, ptr @dword |
| ret i64 %0 |
| } |
| |
| ; ALL-LABEL: reti64: |
| ; On O32, we must use v0 and v1 for the return value |
| ; O32-DAG: lw $2, %lo(dword)([[R1:\$[0-9]+]]) |
| ; O32-DAG: addiu [[R2:\$[0-9]+]], [[R1]], %lo(dword) |
| ; O32-DAG: lw $3, 4([[R2]]) |
| ; N32-DAG: ld $2, %lo(dword)([[R1:\$[0-9]+]]) |
| ; N64-DAG: lui [[R1:\$[0-9]+]], %highest(dword) |
| ; N64-DAG: ld $2, %lo(dword)([[R1]]) |