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https://github.com/c64scene-ar/llvm-6502.git
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d644d17dd4
This adds initial support for PPC32 ELF PIC (Position Independent Code; the -fPIC variety), thus rectifying a long-standing deficiency in the PowerPC backend. Patch by Justin Hibbits! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213427 91177308-0d34-0410-b5e6-96231b3b80d8
115 lines
3.6 KiB
LLVM
115 lines
3.6 KiB
LLVM
; RUN: llc < %s -relocation-model=static | FileCheck %s -check-prefix=STATIC
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; RUN: llc < %s -relocation-model=pic -mtriple=powerpc-apple-darwin8 | FileCheck %s -check-prefix=PIC
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; RUN: llc < %s -relocation-model=pic -mtriple=powerpc-unknown-linux | FileCheck %s -check-prefix=PICELF
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; RUN: llc < %s -relocation-model=pic -mtriple=powerpc64-apple-darwin8 | FileCheck %s -check-prefix=PIC64
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; RUN: llc < %s -relocation-model=dynamic-no-pic -mtriple=powerpc-apple-darwin8 | FileCheck %s -check-prefix=DYNAMIC
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; RUN: llc < %s -relocation-model=dynamic-no-pic -mtriple=powerpc64-apple-darwin8 | FileCheck %s -check-prefix=DYNAMIC64
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; PR4482
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "powerpc-apple-darwin8"
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define i32 @foo(i64 %x) nounwind {
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entry:
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; STATIC: _foo:
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; STATIC: bl _exact_log2
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; STATIC: blr
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; STATIC: .subsections_via_symbols
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; PIC: _foo:
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; PIC: bl L_exact_log2$stub
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; PIC: blr
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; PICELF: foo:
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; PICELF: bl exact_log2@PLT
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; PICELF: blr
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; PIC64: _foo:
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; PIC64: bl L_exact_log2$stub
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; PIC64: blr
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; DYNAMIC: _foo:
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; DYNAMIC: bl L_exact_log2$stub
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; DYNAMIC: blr
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; DYNAMIC64: _foo:
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; DYNAMIC64: bl L_exact_log2$stub
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; DYNAMIC64: blr
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%A = call i32 @exact_log2(i64 %x) nounwind
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ret i32 %A
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}
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define available_externally i32 @exact_log2(i64 %x) nounwind {
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entry:
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ret i32 42
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}
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; PIC: .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
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; PIC: L_exact_log2$stub:
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; PIC: .indirect_symbol _exact_log2
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; PIC: mflr r0
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; PIC: bcl 20, 31, L_exact_log2$stub$tmp
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; PIC: L_exact_log2$stub$tmp:
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; PIC: mflr r11
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; PIC: addis r11, r11, ha16(L_exact_log2$lazy_ptr-L_exact_log2$stub$tmp)
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; PIC: mtlr r0
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; PIC: lwzu r12, lo16(L_exact_log2$lazy_ptr-L_exact_log2$stub$tmp)(r11)
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; PIC: mtctr r12
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; PIC: bctr
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; PIC: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
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; PIC: L_exact_log2$lazy_ptr:
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; PIC: .indirect_symbol _exact_log2
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; PIC: .long dyld_stub_binding_helper
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; PIC: .subsections_via_symbols
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; PIC64: .section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
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; PIC64: L_exact_log2$stub:
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; PIC64: .indirect_symbol _exact_log2
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; PIC64: mflr r0
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; PIC64: bcl 20, 31, L_exact_log2$stub$tmp
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; PIC64: L_exact_log2$stub$tmp:
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; PIC64: mflr r11
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; PIC64: addis r11, r11, ha16(L_exact_log2$lazy_ptr-L_exact_log2$stub$tmp)
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; PIC64: mtlr r0
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; PIC64: ldu r12, lo16(L_exact_log2$lazy_ptr-L_exact_log2$stub$tmp)(r11)
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; PIC64: mtctr r12
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; PIC64: bctr
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; PIC64: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
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; PIC64: L_exact_log2$lazy_ptr:
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; PIC64: .indirect_symbol _exact_log2
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; PIC64: .quad dyld_stub_binding_helper
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; PIC64: .subsections_via_symbols
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; DYNAMIC: .section __TEXT,__symbol_stub1,symbol_stubs,pure_instructions,16
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; DYNAMIC: L_exact_log2$stub:
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; DYNAMIC: .indirect_symbol _exact_log2
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; DYNAMIC: lis r11, ha16(L_exact_log2$lazy_ptr)
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; DYNAMIC: lwzu r12, lo16(L_exact_log2$lazy_ptr)(r11)
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; DYNAMIC: mtctr r12
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; DYNAMIC: bctr
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; DYNAMIC: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
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; DYNAMIC: L_exact_log2$lazy_ptr:
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; DYNAMIC: .indirect_symbol _exact_log2
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; DYNAMIC: .long dyld_stub_binding_helper
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; DYNAMIC64: .section __TEXT,__symbol_stub1,symbol_stubs,pure_instructions,16
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; DYNAMIC64: L_exact_log2$stub:
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; DYNAMIC64: .indirect_symbol _exact_log2
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; DYNAMIC64: lis r11, ha16(L_exact_log2$lazy_ptr)
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; DYNAMIC64: ldu r12, lo16(L_exact_log2$lazy_ptr)(r11)
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; DYNAMIC64: mtctr r12
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; DYNAMIC64: bctr
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; DYNAMIC64: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
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; DYNAMIC64: L_exact_log2$lazy_ptr:
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; DYNAMIC64: .indirect_symbol _exact_log2
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; DYNAMIC64: .quad dyld_stub_binding_helper
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