Enable LLVM optimisation pipeline viewer for LDC + ASan symbolizer (#3838)

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/compilers/ldc.js b/lib/compilers/ldc.js
index 0d90c2d2b..2ab8e7cce 100644
--- a/lib/compilers/ldc.js
+++ b/lib/compilers/ldc.js
@@ -42,6 +42,26 @@ export class LDCCompiler extends BaseCompiler {
         this.compiler.supportsIntel = true;
         this.compiler.supportsIrView = true;
         this.compiler.irArg = ['-output-ll'];
+        
+        this.compiler.supportsLLVMOptPipelineView = true;
+        this.compiler.llvmOptArg = ['--print-after-all', '--print-before-all'];
+        this.compiler.llvmOptModuleScopeArg = ['--print-module-scope'];
+        this.compiler.llvmOptNoDiscardValueNamesArg = []; // LDC does not have a flag for this yet.
+        
+        const asanSymbolizerPath = path.join(path.dirname(this.compiler.exe), 'llvm-symbolizer');
+        if (fs.existsSync(asanSymbolizerPath)) {
+            this.asanSymbolizerPath = asanSymbolizerPath;
+        }
+    }
+
+    runExecutable(executable, executeParameters, homeDir) {
+        if (this.asanSymbolizerPath) {
+            executeParameters.env = {
+                ASAN_SYMBOLIZER_PATH: this.asanSymbolizerPath,
+                ...executeParameters.env,
+            };
+        }
+        return super.runExecutable(executable, executeParameters, homeDir);
     }
 
     getSharedLibraryPathsAsArguments() {