do not eliminate loop vars when there is a shared helper

2 files changed, 27 insertions, 1 deletions

diff --git a/tools/eliminator/asm-eliminator-test-output.js b/tools/eliminator/asm-eliminator-test-output.js
index 2ce77b78..358a83df 100644
--- a/tools/eliminator/asm-eliminator-test-output.js
+++ b/tools/eliminator/asm-eliminator-test-output.js
@@ -5049,6 +5049,19 @@ function looop7() {
   HEAP32[$old_0_i107_i >> 2] = HEAP32[$696 >> 2] | 0;
   while (1) {}
 }
+function looop8() {
+  var i = 0, j = 0, a = 0;
+  while (1) {
+    do_it(i, j);
+    a = i + j | 0;
+    if (condition(helper)) {
+      break;
+    } else {
+      i = a;
+      j = a;
+    }
+  }
+}
 function multiloop($n_0, $35) {
   $n_0 = $n_0 | 0;
   $35 = $35 | 0;
diff --git a/tools/eliminator/asm-eliminator-test.js b/tools/eliminator/asm-eliminator-test.js
index f45f082b..d082f70a 100644
--- a/tools/eliminator/asm-eliminator-test.js
+++ b/tools/eliminator/asm-eliminator-test.js
@@ -6775,6 +6775,19 @@ function looop7() {
   while (1) {
   }
 }
+function looop8() {
+  var i = 0, j = 0, a = 0;
+  while (1) {
+    do_it(i, j);
+    a = (i + j)|0;
+    if (condition(helper)) {
+      break;
+    } else {
+      i = a; // helper used twice!
+      j = a;
+    }
+  }
+}
 function multiloop($n_0, $35) {
   $n_0 = $n_0 | 0;
   $35 = $35 | 0;
@@ -6838,5 +6851,5 @@ function tempDouble2($46, $14, $28, $42, $20, $32, $45) {
   HEAP32[$45 + 4 >> 2] = $_sroa_06_0_insert_insert$1;
   HEAP32[$45 + 8 >> 2] = $_sroa_06_0_insert_insert$1;
 }
-// EMSCRIPTEN_GENERATED_FUNCTIONS: ["asm", "__Z11printResultPiS_j", "_segment_holding", "__ZN5identC2EiPKcPci", "_vec2Length", "exc", "label", "confuusion", "tempDouble", "_org_apache_harmony_luni_util_NumberConverter_freeFormat__", "__ZN23b2EdgeAndPolygonContact8EvaluateEP10b2ManifoldRK11b2TransformS4_", "_java_nio_charset_Charset_forNameInternal___java_lang_String", "looop2", "looop3", "looop4", "looop5", "looop6", "looop7", "multiloop", "multiloop2", "tempDouble2"]
+// EMSCRIPTEN_GENERATED_FUNCTIONS: ["asm", "__Z11printResultPiS_j", "_segment_holding", "__ZN5identC2EiPKcPci", "_vec2Length", "exc", "label", "confuusion", "tempDouble", "_org_apache_harmony_luni_util_NumberConverter_freeFormat__", "__ZN23b2EdgeAndPolygonContact8EvaluateEP10b2ManifoldRK11b2TransformS4_", "_java_nio_charset_Charset_forNameInternal___java_lang_String", "looop2", "looop3", "looop4", "looop5", "looop6", "looop7", "looop8", "multiloop", "multiloop2", "tempDouble2"]