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authorBob Wilson <bob.wilson@apple.com>2009-04-16 21:46:42 +0000
committerBob Wilson <bob.wilson@apple.com>2009-04-16 21:46:42 +0000
commitc91e40a1795629b02f682bc8216b42c5ec60fccf (patch)
treec20904e7154f90e79c4c8543031d530fe991b51f /include/llvm/Intrinsics.td
parentbde6fda7292e23b2f5db77dc302338022558dcb8 (diff)
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Add a comment to describe LLVMMatchType.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69313 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Intrinsics.td')
-rw-r--r--include/llvm/Intrinsics.td6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/Intrinsics.td b/include/llvm/Intrinsics.td
index 779b64a..6e4ce82 100644
--- a/include/llvm/Intrinsics.td
+++ b/include/llvm/Intrinsics.td
@@ -73,6 +73,12 @@ class LLVMAnyPointerType<LLVMType elty>
LLVMType ElTy = elty;
}
+// Match the type of another intrinsic parameter. Number is an index into the
+// list of overloaded types for the intrinsic, excluding all the fixed types.
+// The Number value must refer to a previously listed type. For example:
+// Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_anyfloat_ty, LLVMMatchType<0>]>
+// has two overloaded types, the 2nd and 3rd arguments. LLVMMatchType<0>
+// refers to the first overloaded type, which is the 2nd argument.
class LLVMMatchType<int num>
: LLVMType<OtherVT>{
int Number = num;