| Issue |
52955
|
| Summary |
pragma section and optimization, initialized static variable in unexpected section
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
delmu1
|
Compiling for arm with and without optimization gets different sections for the initialized static variable myvar:
Unexpected section:
clang --target=thumbv7em-unknown-none-eabi -O1 -c main.c
llvm-objdump.exe .\main.o –t
- shows that the static initialized variable myvar is in section .bss instead of section .data.myvar as expected:
- 00000004 l O .bss 00000001 myvar
Expected (correct) section without optimization (level 0):
clang --target=thumbv7em-unknown-none-eabi -O0 -c main.c
llvm-objdump.exe .\main.o –t
- shows that the static initialized variable myvar is in section .data.myvar instead of section .data as expected:
- 00000000 l O .data_myvar 00000004 myvar
[main.zip](https://github.com/llvm/llvm-project/files/7799176/main.zip)
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