assert on no variable name collisions for #923

1 files changed, 4 insertions, 2 deletions

diff --git a/src/analyzer.js b/src/analyzer.js
index dbbb267d..209e3140 100644
--- a/src/analyzer.js
+++ b/src/analyzer.js
@@ -290,7 +290,7 @@ function analyzer(data, sidePass) {
                   var elements = getLegalParams([item.value], bits)[0];
                   var j = 0;
                   elements.forEach(function(element) {
-                    var tempVar = '$st$' + i + '$' + j;
+                    var tempVar = '$st$' + (tempId++) + '$' + j;
                     toAdd.push({
                       intertype: 'getelementptr',
                       assignTo: tempVar,
@@ -401,7 +401,7 @@ function analyzer(data, sidePass) {
                   var j = 0;
                   var toAdd = [];
                   elements.forEach(function(element) {
-                    var tempVar = '$st$' + i + '$' + j;
+                    var tempVar = '$ld$' + (tempId++) + '$' + j;
                     toAdd.push({
                       intertype: 'getelementptr',
                       assignTo: tempVar,
@@ -952,6 +952,7 @@ function analyzer(data, sidePass) {
         // Function parameters
         func.params.forEach(function(param) {
           if (param.intertype !== 'varargs') {
+            if (func.variables[param.ident]) warn('cannot have duplicate variable names: ' + param.ident); // toNiceIdent collisions?
             func.variables[param.ident] = {
               ident: param.ident,
               type: param.type,
@@ -965,6 +966,7 @@ function analyzer(data, sidePass) {
         // Normal variables
         func.lines.forEach(function(item, i) {
           if (item.assignTo) {
+            if (func.variables[item.assignTo]) warn('cannot have duplicate variable names: ' + item.assignTo); // toNiceIdent collisions?
             var variable = func.variables[item.assignTo] = {
               ident: item.assignTo,
               type: item.type,