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[llgo] set debuglocs for calls in synthetic functions 

Synthesized functions do not have valid locations,
and so we were not setting a debug location. Recent
changes to DI require that function call instructions
within a function having DI must have a location set.
We just set the debug location to line=0, col=0.

Reviewers: pcc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D22905

llvm-svn: 288772
This commit is contained in:
Andrew Wilkins 2016-12-06 05:39:14 +00:00
parent 6413f8a8f2
commit 78ac1f1d42
2 changed files with 1 additions and 4 deletions
llgo
debug
debug.go
irgen
ssa.go

3
llgo/debug/debug.go
View File

@ -154,9 +154,6 @@ func (d *DIBuilder) Value(b llvm.Builder, v ssa.Value, llv llvm.Value, paramInde
// SetLocation sets the current debug location.
func (d *DIBuilder) SetLocation(b llvm.Builder, pos token.Pos) {
if !pos.IsValid() {
return
}
position := d.fset.Position(pos)
d.lb = llvm.Metadata{}
if position.Filename != d.fnFile && position.Filename != "" {

2
llgo/irgen/ssa.go
View File

@ -327,7 +327,7 @@ func (u *unit) defineFunction(f *ssa.Function) {
fr.addCommonFunctionAttrs(fr.function)
fr.function.SetLinkage(linkage)
fr.logf("Define function: %s", f.String())
fr.logf("Define function: %s @ %s", f.String(), fr.pkg.Prog.Fset.Position(f.Pos()))
fti := u.llvmtypes.getSignatureInfo(f.Signature)
delete(u.undefinedFuncs, f)
fr.retInf = fti.retInf