Add support for vector types.
- Add vector types to the type table.
- Add support for parsing vector types in llvm2ice.
- Legalize undef vector values to zero. Test that undef vector values are lowered correctly.
BUG=none
R=jvoung@chromium.org, stichnot@chromium.org
Review URL: https://codereview.chromium.org/353553004
diff --git a/src/IceTypes.cpp b/src/IceTypes.cpp
index 84cf410..515be2d 100644
--- a/src/IceTypes.cpp
+++ b/src/IceTypes.cpp
@@ -21,10 +21,12 @@
const struct {
size_t TypeWidthInBytes;
size_t TypeAlignInBytes;
+ size_t TypeNumElements;
+ Type TypeElementType;
const char *DisplayString;
} TypeAttributes[] = {
-#define X(tag, size, align, str) \
- { size, align, str } \
+#define X(tag, size, align, elts, elty, str) \
+ { size, align, elts, elty, str } \
,
ICETYPE_TABLE
#undef X
@@ -57,6 +59,28 @@
return Align;
}
+size_t typeNumElements(Type Ty) {
+ size_t NumElements = 0;
+ size_t Index = static_cast<size_t>(Ty);
+ if (Index < TypeAttributesSize) {
+ NumElements = TypeAttributes[Index].TypeNumElements;
+ } else {
+ llvm_unreachable("Invalid type for typeNumElements()");
+ }
+ return NumElements;
+}
+
+Type typeElementType(Type Ty) {
+ Type ElementType = IceType_void;
+ size_t Index = static_cast<size_t>(Ty);
+ if (Index < TypeAttributesSize) {
+ ElementType = TypeAttributes[Index].TypeElementType;
+ } else {
+ llvm_unreachable("Invalid type for typeElementType()");
+ }
+ return ElementType;
+}
+
// ======================== Dump routines ======================== //
template <> Ostream &operator<<(Ostream &Str, const Type &Ty) {
