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Pass -DLLVM_RUSTLLVM to compile against rust llvm fork.

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If using system llvm don't try use modifications made in the fork.
This commit is contained in:
Cameron Hart 2016-07-24 19:49:10 +10:00
parent 6aee1e2a67
commit ce50bedd8c
2 changed files with 23 additions and 3 deletions
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20
src/rustllvm/PassWrapper.cpp
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@ -162,6 +162,7 @@ LLVMRustHasFeature(LLVMTargetMachineRef TM,
return (Bits & FeatureEntry->Value) == FeatureEntry->Value;
}
#if LLVM_RUSTLLVM
/// getLongestEntryLength - Return the length of the longest entry in the table.
///
static size_t getLongestEntryLength(ArrayRef<SubtargetFeatureKV> Table) {
@ -178,7 +179,7 @@ LLVMRustPrintTargetCPUs(LLVMTargetMachineRef TM) {
const ArrayRef<SubtargetFeatureKV> CPUTable = MCInfo->getCPUTable();
unsigned MaxCPULen = getLongestEntryLength(CPUTable);
printf("Available CPUs for this target:\n\n");
printf("Available CPUs for this target:\n");
for (auto &CPU : CPUTable)
printf(" %-*s - %s.\n", MaxCPULen, CPU.Key, CPU.Desc);
printf("\n");
@ -191,15 +192,28 @@ LLVMRustPrintTargetFeatures(LLVMTargetMachineRef TM) {
const ArrayRef<SubtargetFeatureKV> FeatTable = MCInfo->getFeatureTable();
unsigned MaxFeatLen = getLongestEntryLength(FeatTable);
printf("Available features for this target:\n\n");
printf("Available features for this target:\n");
for (auto &Feature : FeatTable)
printf(" %-*s - %s.\n", MaxFeatLen, Feature.Key, Feature.Desc);
printf("\n");
printf("Use +feature to enable a feature, or -feature to disable it.\n"
"For example, rustc -C -target-cpu=mycpu -C target-feature=+feature1,-feature2\n");
"For example, rustc -C -target-cpu=mycpu -C target-feature=+feature1,-feature2\n\n");
}
#else
extern "C" void
LLVMRustPrintTargetCPUs(LLVMTargetMachineRef) {
printf("Target CPU help is not supported by this LLVM version.\n\n");
}
extern "C" void
LLVMRustPrintTargetFeatures(LLVMTargetMachineRef) {
printf("Target features help is not supported by this LLVM version.\n\n");
}
#endif
extern "C" LLVMTargetMachineRef
LLVMRustCreateTargetMachine(const char *triple,
const char *cpu,