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Support a debug info API change for LLVM 4.0

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Instead of directly creating a 'DIGlobalVariable', we now have to create
a 'DIGlobalVariableExpression' which itself contains a reference to a
'DIGlobalVariable'.

This is a straightforward change.

In the future, we should rename 'DIGlobalVariable' in the FFI
bindings, assuming we will only refer to 'DIGlobalVariableExpression'
and not 'DIGlobalVariable'.
This commit is contained in:
Dylan McKay 2017-02-04 23:22:05 +13:00
parent 0648517faf
commit 768c6c081e
2 changed files with 10 additions and 0 deletions
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6
src/librustc_llvm/ffi.rs
View File

@ -8,6 +8,12 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// FIXME: Rename 'DIGlobalVariable' to 'DIGlobalVariableExpression'
// once support for LLVM 3.9 is dropped.
//
// This method was changed in this LLVM patch:
// https://reviews.llvm.org/D26769
use debuginfo::{DIBuilderRef, DIDescriptor, DIFile, DILexicalBlock, DISubprogram, DIType,
DIBasicType, DIDerivedType, DICompositeType, DIScope, DIVariable,
DIGlobalVariable, DIArray, DISubrange, DITemplateTypeParameter, DIEnumerator,

4
src/rustllvm/RustWrapper.cpp
View File

@ -588,7 +588,11 @@ extern "C" LLVMRustMetadataRef LLVMRustDIBuilderCreateStaticVariable(
}
#endif
#if LLVM_VERSION_GE(4, 0)
return wrap(Builder->createGlobalVariableExpression(
#else
return wrap(Builder->createGlobalVariable(
#endif
unwrapDI<DIDescriptor>(Context), Name, LinkageName,
unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit,
#if LLVM_VERSION_GE(4, 0)