[mips] Interrupt attribute support.
Summary: This patch adds support for the interrupt attribute for mips32r2+.
Patch by Simon Dardis.
Reviewers: dsanders, aaron.ballman
Subscribers: aaron.ballman, cfe-commits
Differential Revision: http://reviews.llvm.org/D10802
llvm-svn: 254205
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index 06a2e71..df081b4 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -5893,6 +5893,27 @@
else if (FD->hasAttr<NoMips16Attr>()) {
Fn->addFnAttr("nomips16");
}
+
+ const MipsInterruptAttr *Attr = FD->getAttr<MipsInterruptAttr>();
+ if (!Attr)
+ return;
+
+ const char *Kind;
+ switch (Attr->getInterrupt()) {
+ default: llvm_unreachable("Unknown Mips interrupt attribute type!");
+ case MipsInterruptAttr::eic: Kind = "eic"; break;
+ case MipsInterruptAttr::sw0: Kind = "sw0"; break;
+ case MipsInterruptAttr::sw1: Kind = "sw1"; break;
+ case MipsInterruptAttr::hw0: Kind = "hw0"; break;
+ case MipsInterruptAttr::hw1: Kind = "hw1"; break;
+ case MipsInterruptAttr::hw2: Kind = "hw2"; break;
+ case MipsInterruptAttr::hw3: Kind = "hw3"; break;
+ case MipsInterruptAttr::hw4: Kind = "hw4"; break;
+ case MipsInterruptAttr::hw5: Kind = "hw5"; break;
+ }
+
+ Fn->addFnAttr("interrupt", Kind);
+
}
bool initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF,