tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-09 21:43:40 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

compiler: rename getZeroValue to llvm.ConstNull

Browse Source 
It does the same thing but should be more complete, and it probably is
faster as well (just one CGo call instead of several).
This commit is contained in:
Ayke van Laethem
2019-09-15 16:42:31 +02:00
committed by Ron Evans
parent 8d959b7c63
commit 10ed3decb0
12 changed files with 26 additions and 106 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/interface.go
+4 -4
View File
@@ -74,7 +74,7 @@ func (c *Compiler) getTypeCode(typ types.Type) llvm.Value {
}
if !references.IsNil() {
// Set the 'references' field of the runtime.typecodeID struct.
globalValue := c.getZeroValue(global.Type().ElementType())
globalValue := llvm.ConstNull(global.Type().ElementType())
globalValue = llvm.ConstInsertValue(globalValue, references, []uint32{0})
if length != 0 {
lengthValue := llvm.ConstInt(c.uintptrType, uint64(length), false)
@@ -96,9 +96,9 @@ func (c *Compiler) makeStructTypeFields(typ *types.Struct) llvm.Value {
runtimeStructField := c.getLLVMRuntimeType("structField")
structGlobalType := llvm.ArrayType(runtimeStructField, typ.NumFields())
structGlobal := llvm.AddGlobal(c.mod, structGlobalType, "reflect/types.structFields")
structGlobalValue := c.getZeroValue(structGlobalType)
structGlobalValue := llvm.ConstNull(structGlobalType)
for i := 0; i < typ.NumFields(); i++ {
fieldGlobalValue := c.getZeroValue(runtimeStructField)
fieldGlobalValue := llvm.ConstNull(runtimeStructField)
fieldGlobalValue = llvm.ConstInsertValue(fieldGlobalValue, c.getTypeCode(typ.Field(i).Type()), []uint32{0})
fieldName := c.makeGlobalArray([]byte(typ.Field(i).Name()), "reflect/types.structFieldName", c.ctx.Int8Type())
fieldName.SetLinkage(llvm.PrivateLinkage)
@@ -380,7 +380,7 @@ func (c *Compiler) parseTypeAssert(frame *Frame, expr *ssa.TypeAssert) llvm.Valu
// Continue after the if statement.
c.builder.SetInsertPointAtEnd(nextBlock)
phi := c.builder.CreatePHI(assertedType, "typeassert.value")
phi.AddIncoming([]llvm.Value{c.getZeroValue(assertedType), valueOk}, []llvm.BasicBlock{prevBlock, okBlock})
phi.AddIncoming([]llvm.Value{llvm.ConstNull(assertedType), valueOk}, []llvm.BasicBlock{prevBlock, okBlock})
if expr.CommaOk {
tuple := c.ctx.ConstStruct([]llvm.Value{llvm.Undef(assertedType), llvm.Undef(c.ctx.Int1Type())}, false) // create empty tuple