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https://github.com/c64scene-ar/llvm-6502.git
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5c86661f15
Summary:
This removes the need to coerce UnknownABI to the default ABI (O32 for
MIPS32, N64 for MIPS64 [*]) in both MipsSubtarget and MipsAsmParser.
Clang has been updated to disable both possible default ABI's before enabling
the ABI it intends to use.
[*] N64 being the default for MIPS64 is not actually correct.
However N32 is not fully implemented/tested yet.
Depends on: D2830
Reviewers: jacksprat, matheusalmeida
Reviewed By: matheusalmeida
Differential Revision: http://llvm-reviews.chandlerc.com/D2832
Differential Revision: http://llvm-reviews.chandlerc.com/D2846
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201792 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
1.9 KiB
LLVM
47 lines
1.9 KiB
LLVM
; RUN: llc -march=mipsel -relocation-model=pic < %s | FileCheck %s -check-prefix=PIC-O32
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; RUN: llc -march=mipsel -relocation-model=static -mtriple=mipsel-linux-gnu < %s | FileCheck %s -check-prefix=STATIC-O32
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; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=-n64,n32 -relocation-model=pic < %s | FileCheck %s -check-prefix=PIC-N32
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; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=-n64,n32 -relocation-model=static -mtriple=mipsel-linux-gnu < %s | FileCheck %s -check-prefix=STATIC-N32
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; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=-n64,n64 -relocation-model=pic < %s | FileCheck %s -check-prefix=PIC-N64
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; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=-n64,n64 -relocation-model=static < %s | FileCheck %s -check-prefix=STATIC-N64
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@s1 = internal unnamed_addr global i32 8, align 4
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@g1 = external global i32
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define void @foo() nounwind {
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entry:
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; PIC-O32: lw $[[R0:[0-9]+]], %got(s1)
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; PIC-O32: lw ${{[0-9]+}}, %lo(s1)($[[R0]])
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; PIC-O32: lw ${{[0-9]+}}, %got(g1)
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; STATIC-O32: lui $[[R1:[0-9]+]], %hi(s1)
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; STATIC-O32: lw ${{[0-9]+}}, %lo(s1)($[[R1]])
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; STATIC-O32: lui $[[R2:[0-9]+]], %hi(g1)
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; STATIC-O32: lw ${{[0-9]+}}, %lo(g1)($[[R2]])
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; PIC-N32: lw $[[R0:[0-9]+]], %got_page(s1)
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; PIC-N32: lw ${{[0-9]+}}, %got_ofst(s1)($[[R0]])
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; PIC-N32: lw ${{[0-9]+}}, %got_disp(g1)
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; STATIC-N32: lui $[[R1:[0-9]+]], %hi(s1)
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; STATIC-N32: lw ${{[0-9]+}}, %lo(s1)($[[R1]])
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; STATIC-N32: lui $[[R2:[0-9]+]], %hi(g1)
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; STATIC-N32: lw ${{[0-9]+}}, %lo(g1)($[[R2]])
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; PIC-N64: ld $[[R0:[0-9]+]], %got_page(s1)
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; PIC-N64: lw ${{[0-9]+}}, %got_ofst(s1)($[[R0]])
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; PIC-N64: ld ${{[0-9]+}}, %got_disp(g1)
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; STATIC-N64: ld $[[R1:[0-9]+]], %got_page(s1)
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; STATIC-N64: lw ${{[0-9]+}}, %got_ofst(s1)($[[R1]])
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; STATIC-N64: ld ${{[0-9]+}}, %got_disp(g1)
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%0 = load i32* @s1, align 4
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tail call void @foo1(i32 %0) nounwind
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%1 = load i32* @g1, align 4
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store i32 %1, i32* @s1, align 4
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%add = add nsw i32 %1, 2
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store i32 %add, i32* @g1, align 4
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ret void
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}
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declare void @foo1(i32)
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