1; RUN: llc -mtriple=mips-linux-gnu -relocation-model=static < %s | FileCheck --check-prefixes=ALL,O32 %s 2; RUN: llc -mtriple=mipsel-linux-gnu -relocation-model=static < %s | FileCheck --check-prefixes=ALL,O32 %s 3 4; RUN-TODO: llc -mtriple=mips64-linux-gnu -relocation-model=static -target-abi o32 < %s | FileCheck --check-prefixes=ALL,O32 %s 5; RUN-TODO: llc -mtriple=mips64el-linux-gnu -relocation-model=static -target-abi o32 < %s | FileCheck --check-prefixes=ALL,O32 %s 6 7; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s 8; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s 9 10; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s 11; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s 12 13; Test the integer returns for all ABI's and byte orders as specified by 14; section 5 of MD00305 (MIPS ABIs Described). 15 16; We only test Linux because other OS's use different relocations and I don't 17; know if this is correct. 18 19@byte = global i8 zeroinitializer 20@word = global i32 zeroinitializer 21@dword = global i64 zeroinitializer 22@float = global float zeroinitializer 23@double = global double zeroinitializer 24 25define i8 @reti8() nounwind { 26entry: 27 %0 = load volatile i8, ptr @byte 28 ret i8 %0 29} 30 31; ALL-LABEL: reti8: 32; O32-DAG: lui [[R1:\$[0-9]+]], %hi(byte) 33; O32-DAG: lbu $2, %lo(byte)([[R1]]) 34; N32-DAG: lui [[R1:\$[0-9]+]], %hi(byte) 35; N32-DAG: lbu $2, %lo(byte)([[R1]]) 36; N64-DAG: lui [[R1:\$[0-9]+]], %highest(byte) 37; N64-DAG: lbu $2, %lo(byte)([[R1]]) 38 39define i32 @reti32() nounwind { 40entry: 41 %0 = load volatile i32, ptr @word 42 ret i32 %0 43} 44 45; ALL-LABEL: reti32: 46; O32-DAG: lui [[R1:\$[0-9]+]], %hi(word) 47; O32-DAG: lw $2, %lo(word)([[R1]]) 48; N32-DAG: lui [[R1:\$[0-9]+]], %hi(word) 49; N32-DAG: lw $2, %lo(word)([[R1]]) 50; N64-DAG: lui [[R1:\$[0-9]+]], %highest(word) 51; N64-DAG: lw $2, %lo(word)([[R1]]) 52 53define i64 @reti64() nounwind { 54entry: 55 %0 = load volatile i64, ptr @dword 56 ret i64 %0 57} 58 59; ALL-LABEL: reti64: 60; On O32, we must use v0 and v1 for the return value 61; O32-DAG: lw $2, %lo(dword)([[R1:\$[0-9]+]]) 62; O32-DAG: addiu [[R2:\$[0-9]+]], [[R1]], %lo(dword) 63; O32-DAG: lw $3, 4([[R2]]) 64; N32-DAG: ld $2, %lo(dword)([[R1:\$[0-9]+]]) 65; N64-DAG: lui [[R1:\$[0-9]+]], %highest(dword) 66; N64-DAG: ld $2, %lo(dword)([[R1]]) 67