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0b2081a05a
Summary: This is done by removing some hardcoded registers like $at or expecting a single digit register to be selected. Contains work done by Matheus Almeida. Reviewers: matheusalmeida, dsanders Reviewed By: dsanders Subscribers: tomatabacu Differential Revision: http://reviews.llvm.org/D4227 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215640 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.8 KiB
LLVM
67 lines
2.8 KiB
LLVM
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=static < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s
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; RUN: llc -mtriple=mipsel-linux-gnu -relocation-model=static < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s
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; RUN-TODO: llc -mtriple=mips64-linux-gnu -relocation-model=static -mattr=-n64,+o32 < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s
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; RUN-TODO: llc -mtriple=mips64el-linux-gnu -relocation-model=static -mattr=-n64,+o32 < %s | FileCheck --check-prefix=ALL --check-prefix=O32 %s
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; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=N32 %s
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; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=N32 %s
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; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -mattr=-n64,+n64 < %s | FileCheck --check-prefix=ALL --check-prefix=N64 %s
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; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -mattr=-n64,+n64 < %s | FileCheck --check-prefix=ALL --check-prefix=N64 %s
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; Test the integer returns for all ABI's and byte orders as specified by
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; section 5 of MD00305 (MIPS ABIs Described).
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; We only test Linux because other OS's use different relocations and I don't
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; know if this is correct.
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@byte = global i8 zeroinitializer
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@word = global i32 zeroinitializer
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@dword = global i64 zeroinitializer
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@float = global float zeroinitializer
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@double = global double zeroinitializer
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define i8 @reti8() nounwind {
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entry:
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%0 = load volatile i8* @byte
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ret i8 %0
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}
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; ALL-LABEL: reti8:
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; O32-DAG: lui [[R1:\$[0-9]+]], %hi(byte)
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; O32-DAG: lbu $2, %lo(byte)([[R1]])
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; N32-DAG: lui [[R1:\$[0-9]+]], %hi(byte)
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; N32-DAG: lbu $2, %lo(byte)([[R1]])
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; N64-DAG: ld [[R1:\$[0-9]+]], %got_disp(byte)(
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; N64-DAG: lbu $2, 0([[R1]])
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define i32 @reti32() nounwind {
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entry:
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%0 = load volatile i32* @word
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ret i32 %0
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}
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; ALL-LABEL: reti32:
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; O32-DAG: lui [[R1:\$[0-9]+]], %hi(word)
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; O32-DAG: lw $2, %lo(word)([[R1]])
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; N32-DAG: lui [[R1:\$[0-9]+]], %hi(word)
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; N32-DAG: lw $2, %lo(word)([[R1]])
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; N64-DAG: ld [[R1:\$[0-9]+]], %got_disp(word)(
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; N64-DAG: lw $2, 0([[R1]])
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define i64 @reti64() nounwind {
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entry:
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%0 = load volatile i64* @dword
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ret i64 %0
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}
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; ALL-LABEL: reti64:
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; On O32, we must use v0 and v1 for the return value
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; O32-DAG: lw $2, %lo(dword)([[R1:\$[0-9]+]])
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; O32-DAG: addiu [[R2:\$[0-9]+]], [[R1]], %lo(dword)
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; O32-DAG: lw $3, 4([[R2]])
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; N32-DAG: ld $2, %lo(dword)([[R1:\$[0-9]+]])
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; N64-DAG: ld [[R1:\$[0-9]+]], %got_disp(dword)([[R1:\$[0-9]+]])
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; N64-DAG: ld $2, 0([[R1]])
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