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0f65cad57f
getRegClassForInlineAsmConstraint to being handled by
getRegForInlineAsmConstraint. This allows us to let the llvm register allocator
allocate, which gives us better code. For example, X86/2007-01-29-InlineAsm-ir.ll
used to compile to:
_run_init_process:
subl $4, %esp
movl %ebx, (%esp)
xorl %ebx, %ebx
movl $11, %eax
movl %ebx, %ecx
movl %ebx, %edx
# InlineAsm Start
push %ebx ; movl %ebx,%ebx ; int $0x80 ; pop %ebx
# InlineAsm End
Now we get:
_run_init_process:
xorl %ecx, %ecx
movl $11, %eax
movl %ecx, %edx
# InlineAsm Start
push %ebx ; movl %ecx,%ebx ; int $0x80 ; pop %ebx
# InlineAsm End
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35804 91177308-0d34-0410-b5e6-96231b3b80d8
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| AsmParser | ||
| Bytecode | ||
| CodeGen | ||
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| Linker | ||
| Support | ||
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| VMCore | ||
| Makefile | ||