derek.holloway
7502bf64a4
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113 lines
2.9 KiB
ArmAsm
113 lines
2.9 KiB
ArmAsm
# REQUIRES: aarch64
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# RUN: rm -rf %t && split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/with-addrsig.s -o %t/with-addrsig.o
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/without-addrsig.s -o %t/without-addrsig.o
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# RUN: %lld -arch arm64 -lSystem --icf=safe -dylib -map %t/with-addrsig-safe.map -o %t/with-addrsig.dylib %t/with-addrsig.o
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# RUN: %lld -arch arm64 -lSystem --icf=safe -dylib -map %t/without-addrsig-safe.map -o %t/without-addrsig.dylib %t/without-addrsig.o
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# RUN: %lld -arch arm64 -lSystem --icf=safe_thunks -dylib -map %t/with-addrsig-safe-thunks.map -o %t/with-addrsig-thunks.dylib %t/with-addrsig.o
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# RUN: %lld -arch arm64 -lSystem --icf=safe_thunks -dylib -map %t/without-addrsig-safe-thunks.map -o %t/without-addrsig-thunks.dylib %t/without-addrsig.o
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# RUN: FileCheck %s --check-prefix=ADDRSIG-SAFE < %t/with-addrsig-safe.map
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# RUN: FileCheck %s --check-prefix=NO-ADDRSIG-SAFE < %t/without-addrsig-safe.map
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# RUN: FileCheck %s --check-prefix=ADDRSIG-SAFE-THUNKS < %t/with-addrsig-safe-thunks.map
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# RUN: FileCheck %s --check-prefix=NO-ADDRSIG-SAFE-THUNKS < %t/without-addrsig-safe-thunks.map
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## Input has addrsig section: _g1 and _g2 are address-significant, so _g2 is
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## thunk-folded in safe_thunks ICF and remains untouched in safe ICF.
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## _f2 is always body-folded into _f1 regardless of ICF level.
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# ADDRSIG-SAFE: 0x00000008 [ 2] _f1
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# ADDRSIG-SAFE-NEXT: 0x00000000 [ 2] _f2
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# ADDRSIG-SAFE: 0x00000008 [ 2] _g1
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# ADDRSIG-SAFE-NEXT: 0x00000008 [ 2] _g2
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# ADDRSIG-SAFE-THUNKS: 0x00000008 [ 2] _f1
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# ADDRSIG-SAFE-THUNKS-NEXT: 0x00000000 [ 2] _f2
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# ADDRSIG-SAFE-THUNKS: 0x00000008 [ 2] _g1
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# ADDRSIG-SAFE-THUNKS: 0x00000004 [ 2] _g2
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## Input does not have addrsig section: everything is address-significant, so
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## no folding happened in safe ICF, and _f2, _g2 are thunk-folded into _f1, _g1
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## respectively.
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# NO-ADDRSIG-SAFE: 0x00000008 [ 2] _f1
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# NO-ADDRSIG-SAFE-NEXT: 0x00000008 [ 2] _f2
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# NO-ADDRSIG-SAFE-NEXT: 0x00000008 [ 2] _g1
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# NO-ADDRSIG-SAFE-NEXT: 0x00000008 [ 2] _g2
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# NO-ADDRSIG-SAFE-THUNKS: 0x00000008 [ 2] _f1
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# NO-ADDRSIG-SAFE-THUNKS-NEXT: 0x00000008 [ 2] _g1
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# NO-ADDRSIG-SAFE-THUNKS: 0x00000004 [ 2] _g2
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# NO-ADDRSIG-SAFE-THUNKS-NEXT: 0x00000004 [ 2] _f2
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#--- with-addrsig.s
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.subsections_via_symbols
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.text
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.p2align 2
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.globl _f1
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_f1:
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mov w0, #0
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ret
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.globl _f2
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_f2:
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mov w0, #0
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ret
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.globl _g1
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_g1:
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mov w0, #1
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ret
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.globl _g2
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_g2:
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mov w0, #1
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ret
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.globl _call_all
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_call_all:
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bl _f1
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bl _f2
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bl _g1
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bl _g2
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ret
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.addrsig
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.addrsig_sym _call_all
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.addrsig_sym _g1
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.addrsig_sym _g2
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#--- without-addrsig.s
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.subsections_via_symbols
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.text
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.p2align 2
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.globl _f1
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_f1:
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mov w0, #0
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ret
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.globl _f2
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_f2:
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mov w0, #0
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ret
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.globl _g1
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_g1:
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mov w0, #1
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ret
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.globl _g2
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_g2:
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mov w0, #1
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ret
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.globl _call_all
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_call_all:
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bl _f1
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bl _f2
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bl _g1
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bl _g2
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ret
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