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Fixed Ifs

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This commit is contained in:
Apoorva Ranade
2021-05-02 20:20:52 +05:30
parent 54b792ba10
commit 9e2b344bd2
1 changed files with 4 additions and 2 deletions
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src/main/java/chocopy/pa3/CodeGenImpl.java
+4 -2
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@@ -415,8 +415,9 @@ public class CodeGenImpl extends CodeGenBase
@Override @Override
public Register analyze(IfExpr node) public Register analyze(IfExpr node)
{ {
node.condition.dispatch(this); Register result = node.condition.dispatch(this);
Label ln = generateLocalLabel(); Label ln = generateLocalLabel();
backend.emitBEQZ(result, ln,"Jump to beginning of loop");
node.thenExpr.dispatch(this); node.thenExpr.dispatch(this);
backend.emitJ(ln, "Jump to end of if expression"); backend.emitJ(ln, "Jump to end of if expression");
backend.emitLocalLabel(elseBlock, "Else part of if expression"); backend.emitLocalLabel(elseBlock, "Else part of if expression");
@@ -428,8 +429,9 @@ public class CodeGenImpl extends CodeGenBase
@Override @Override
public Register analyze(IfStmt node) public Register analyze(IfStmt node)
{ {
node.condition.dispatch(this); Register result = node.condition.dispatch(this);
Label ln = generateLocalLabel(); Label ln = generateLocalLabel();
backend.emitBEQZ(result, ln,"Jump to beginning of loop");
for(Stmt s:node.thenBody) for(Stmt s:node.thenBody)
s.dispatch(this); s.dispatch(this);
backend.emitJ(ln, "Jump to end of if statement"); backend.emitJ(ln, "Jump to end of if statement");