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Debug Info: Fix the emission of vector types. #15184

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Merged
merged 1 commit into from
Mar 12, 2018
Merged

Debug Info: Fix the emission of vector types. #15184

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15 changes: 8 additions & 7 deletions lib/IRGen/IRGenDebugInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1251,14 +1251,15 @@ class IRGenDebugInfoImpl : public IRGenDebugInfo {
case TypeKind::BuiltinVector: {
(void)MangledName; // FIXME emit the name somewhere.
auto *BuiltinVectorTy = BaseTy->castTo<BuiltinVectorType>();
DebugTypeInfo ElemDbgTy(DbgTy.getDeclContext(),
DbgTy.getGenericEnvironment(),
BuiltinVectorTy->getElementType(),
DbgTy.StorageType, DbgTy.size, DbgTy.align, true);
auto Subscripts = nullptr;
return DBuilder.createVectorType(BuiltinVectorTy->getNumElements(),
auto ElemTy = BuiltinVectorTy->getElementType();
auto ElemDbgTy = DebugTypeInfo::getFromTypeInfo(
DbgTy.getDeclContext(), DbgTy.getGenericEnvironment(), ElemTy,
IGM.getTypeInfoForUnlowered(ElemTy));
unsigned Count = BuiltinVectorTy->getNumElements();
auto Subscript = DBuilder.getOrCreateSubrange(0, Count ? Count : -1);
return DBuilder.createVectorType(SizeInBits,
AlignInBits, getOrCreateType(ElemDbgTy),
Subscripts);
DBuilder.getOrCreateArray(Subscript));
}

// Reference storage types.
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20 changes: 20 additions & 0 deletions test/DebugInfo/vector.swift
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
// RUN: %target-swift-frontend -emit-ir -g %s -o - -parse-stdlib | %FileCheck %s
// REQUIRES: OS=macosx

// CHECK: !DICompositeType(tag: DW_TAG_array_type, baseType: ![[FLOAT:[0-9]+]], size: 64, flags: DIFlagVector, elements: ![[ELTS:[0-9]+]])
// CHECK: ![[FLOAT]] = !DIBasicType(name: "$SBf32_D", size: 32, encoding: DW_ATE_float)
// CHECK: ![[ELTS]] = !{![[SR:[0-9]+]]}
// CHECK: ![[SR]] = !DISubrange(count: 2)


import Swift
public struct float2 {
public var _vector: Builtin.Vec2xFPIEEE32
public subscript(index: Int) -> Float {
get {
let elt = Builtin.extractelement_Vec2xFPIEEE32_Int32(_vector,
Int32(index)._value)
return Float(_bits: elt)
}
}
}