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Add support for -march=c

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11410 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-02-13 23:19:09 +00:00
parent f31182a531
commit 666d20a301
2 changed files with 14 additions and 7 deletions
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4
tools/llc/Makefile
View File

@ -8,7 +8,8 @@
##===----------------------------------------------------------------------===##
LEVEL = ../..
TOOLNAME = llc
USEDLIBS = sparc \
USEDLIBS = cwriter \
sparc \
x86 \
powerpc \
selectiondag \
@ -18,6 +19,7 @@ USEDLIBS = sparc \
codegen \
target.a \
livevar \
ipa.a \
transforms.a \
scalaropts.a \
analysis.a \

17
tools/llc/llc.cpp
View File

@ -37,13 +37,14 @@ OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"));
static cl::opt<bool> Force("f", cl::desc("Overwrite output files"));
enum ArchName { noarch, x86, Sparc, PowerPC };
enum ArchName { noarch, X86, Sparc, PowerPC, CBackend };
static cl::opt<ArchName>
Arch("march", cl::desc("Architecture to generate assembly for:"), cl::Prefix,
cl::values(clEnumVal(x86, " IA-32 (Pentium and above)"),
clEnumValN(Sparc, "sparc", " SPARC V9"),
clEnumValN(PowerPC, "powerpc", " PowerPC"),
cl::values(clEnumValN(X86, "x86", " IA-32 (Pentium and above)"),
clEnumValN(Sparc, "sparc", " SPARC V9"),
clEnumValN(PowerPC, "powerpc", " PowerPC"),
clEnumValN(CBackend, "c", " C backend"),
0),
cl::init(noarch));
@ -82,7 +83,10 @@ int main(int argc, char **argv) {
TargetMachine* (*TargetMachineAllocator)(const Module&,
IntrinsicLowering *) = 0;
switch (Arch) {
case x86:
case CBackend:
TargetMachineAllocator = allocateCTargetMachine;
break;
case X86:
TargetMachineAllocator = allocateX86TargetMachine;
break;
case Sparc:
@ -116,7 +120,8 @@ int main(int argc, char **argv) {
TargetMachineAllocator = allocatePowerPCTargetMachine;
#else
std::cerr << argv[0] << ": module does not specify a target to use. "
<< "You must use the -march option.\n";
<< "You must use the -march option. If no native target is "
<< "available, use -march=c to emit C code.\n";
return 1;
#endif
}