1 ; RUN: llc -mtriple=mips-linux-gnu -relocation-model=static < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s 2 ; RUN: llc -mtriple=mipsel-linux-gnu -relocation-model=static < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s 3 4 ; RUN-TODO: llc -mtriple=mips64-linux-gnu -relocation-model=static -mattr=-n64,+o32 < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s 5 ; RUN-TODO: llc -mtriple=mips64el-linux-gnu -relocation-model=static -mattr=-n64,+o32 < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s 6 7 ; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=N32 %s 8 ; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=N32 %s 9 10 ; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -mattr=-n64,+n64 < %s | FileCheck --check-prefix=ALL --check-prefix=N64 %s 11 ; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -mattr=-n64,+n64 < %s | FileCheck --check-prefix=ALL --check-prefix=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 25 define i8 @reti8() nounwind { 26 entry: 27 %0 = load volatile i8* @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: ld [[R1:\$[0-9]+]], %got_disp(byte)($1) 37 ; N64-DAG: lbu $2, 0([[R1]]) 38 39 define i32 @reti32() nounwind { 40 entry: 41 %0 = load volatile i32* @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: ld [[R1:\$[0-9]+]], %got_disp(word)($1) 51 ; N64-DAG: lw $2, 0([[R1]]) 52 53 define i64 @reti64() nounwind { 54 entry: 55 %0 = load volatile i64* @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: ld [[R1:\$[0-9]+]], %got_disp(dword)([[R1:\$[0-9]+]]) 66 ; N64-DAG: ld $2, 0([[R1]]) 67
