[llgo] Increment "Debug Info Version"
Patch by Michal Cierniak!
This patch increments the "Debug Info Version" from 2 to 3.
This is a nop if you just want to generate binaries. I verified
that with and without this patch, when I run llgo -g on a Go
source file, I get exactly the same binary. The purpose of the
patch is to make it possible to run the llvm-dis tool. Without
the patch, it is impossible to disassemble files generated with
llgo:
$ llgo -c -g -emit-llvm src/hello.go
$ llvm-dis hello.o
llvm-dis: warning: ignoring debug info with an invalid version (2) in hello.o
Differential Revision: http://reviews.llvm.org/D18355
llvm-svn: 264212
GitOrigin-RevId: 0f432aa05a4c32ab818f2e4cfc5ad2a5a8093c56
diff --git a/debug/debug.go b/debug/debug.go
index 2e64169..cf5f40b 100644
--- a/debug/debug.go
+++ b/debug/debug.go
@@ -183,7 +183,7 @@
llvm.GlobalContext().MDNode([]llvm.Metadata{
llvm.ConstInt(llvm.Int32Type(), 1, false).ConstantAsMetadata(), // Error on mismatch
llvm.GlobalContext().MDString("Debug Info Version"),
- llvm.ConstInt(llvm.Int32Type(), 2, false).ConstantAsMetadata(),
+ llvm.ConstInt(llvm.Int32Type(), 3, false).ConstantAsMetadata(),
}),
)
d.builder.Finalize()
