derek.holloway
7502bf64a4
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53 lines
2.3 KiB
ArmAsm
53 lines
2.3 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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# RUN: echo 'SECTIONS { .text : { *(.text*) } }' > %t1.script
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## Sections within the same output section can be freely folded.
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# RUN: ld.lld %t.o --script %t1.script --icf=all --print-icf-sections -o %t | FileCheck --check-prefix=ICF1 %s
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# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC1 %s --implicit-check-not=.text
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# ICF1: selected section {{.*}}.o:(.text.foo0)
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# ICF1-NEXT: removing identical section {{.*}}.o:(.text.foo1)
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# ICF1-NEXT: removing identical section {{.*}}.o:(.text.bar0)
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# ICF1-NEXT: removing identical section {{.*}}.o:(.text.bar1)
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# SEC1: .text PROGBITS 0000000000000000 001000 000001
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## Sections with different output sections cannot be folded. Without the
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## linker script, .text.foo* and .text.bar* go to the same output section
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## .text and they will be folded.
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# RUN: echo 'SECTIONS { .text.foo : {*(.text.foo*)} .text.bar : {*(.text.bar*)} }' > %t2.script
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# RUN: ld.lld %t.o --script %t2.script --icf=all --print-icf-sections -o %t | FileCheck --check-prefix=ICF2 %s
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# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC2 %s
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# ICF2: selected section {{.*}}.o:(.text.foo0)
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# ICF2-NEXT: removing identical section {{.*}}.o:(.text.foo1)
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# ICF2-NEXT: selected section {{.*}}.o:(.text.bar0)
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# ICF2-NEXT: removing identical section {{.*}}.o:(.text.bar1)
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# SEC2: .text.foo PROGBITS 0000000000000000 001000 000001
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# SEC2-NEXT: .text.bar PROGBITS 0000000000000001 001001 000001
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## .text.bar* are orphan sections.
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# RUN: echo 'SECTIONS { .text.foo : {*(.text.foo*)} }' > %t3.script
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# RUN: ld.lld %t.o -T %t3.script --icf=all --print-icf-sections -o %t3 | FileCheck --check-prefix=ICF3 %s
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# RUN: llvm-readelf -S %t3 | FileCheck --check-prefix=SEC3 %s
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# ICF3: selected section {{.*}}.o:(.text.foo0)
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# ICF3-NEXT: removing identical section {{.*}}.o:(.text.foo1)
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# SEC3: Name Type Address Off Size
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# SEC3: .text.foo PROGBITS 0000000000000000 001000 000001
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# SEC3-NEXT: .text PROGBITS 0000000000000004 001004 000000
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# SEC3-NEXT: .text.bar0 PROGBITS 0000000000000004 001004 000001
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# SEC3-NEXT: .text.bar1 PROGBITS 0000000000000005 001005 000001
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.section .text.foo0,"ax"
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ret
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.section .text.foo1,"ax"
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ret
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.section .text.bar0,"ax"
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ret
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.section .text.bar1,"ax"
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ret
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