http://llvm.org/bugs/show_bug.cgi?id=2785
Summary: Incorrect C code produce by llc
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
When I convert llvm bytecode to c using the following command:
llc -march=c file.bc file.c
I'm getting some c statements which are not compilable (and/or does not make
sense). Here is one such statement:
__asm__ volatile ("btl %1,%2 ; setcb %b0"
:"=q"(llvm_cbe_asmtmp)
:"r"(llvm_cbe_tmp5)"m"(*(llvm_cbe_tmp5))"cc");;
note that llvm_cbe_asmtmp is unsigned char and llvm_cbe_tmp5 is unsigned int.
Shouldn't the code more be along the lines of :
__asm__ volatile ("btl %1,%2 ; setcb %b0"
:"=q"(llvm_cbe_asmtmp)
:"r"(llvm_cbe_tmp5), "m"((llvm_cbe_tmp5))
:"cc");
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