add makeSigning method

kripken · kripken · commit e1ad2c5541e3 · 2015-12-05T13:33:27.000-08:00
diff --git a/src/emscripten-optimizer/optimizer-shared.cpp b/src/emscripten-optimizer/optimizer-shared.cpp
@@ -228,3 +228,8 @@ Ref makeAsmCoercion(Ref node, AsmType type) {
   }
 }
 
+Ref makeSigning(Ref node, AsmSign sign) {
+  assert(sign == ASM_SIGNED || sign == ASM_UNSIGNED);
+  return ValueBuilder::makeBinary(node, sign == ASM_SIGNED ? OR : TRSHIFT, ValueBuilder::makeNum(0));
+}
+
diff --git a/src/emscripten-optimizer/optimizer.h b/src/emscripten-optimizer/optimizer.h
@@ -140,5 +140,7 @@ inline cashew::Ref deStat(cashew::Ref node) {
 cashew::Ref makeAsmCoercedZero(AsmType type);
 cashew::Ref makeAsmCoercion(cashew::Ref node, AsmType type);
 
+cashew::Ref makeSigning(cashew::Ref node, AsmSign sign);
+
 #endif // __optimizer_h__
 

Original file line number	Diff line number	Diff line change
`@@ -228,3 +228,8 @@ Ref makeAsmCoercion(Ref node, AsmType type) {`
`228`	`228`	`}`
`229`	`229`	`}`
`230`	`230`
	`231`	`+Ref makeSigning(Ref node, AsmSign sign) {`
	`232`	`+ assert(sign == ASM_SIGNED \|\| sign == ASM_UNSIGNED);`
	`233`	`+ return ValueBuilder::makeBinary(node, sign == ASM_SIGNED ? OR : TRSHIFT, ValueBuilder::makeNum(0));`
	`234`	`+}`
	`235`	`+`