test cases for JUMPS/phi nodes

evmcc/test/jump/loop1.evm

@@ -0,0 +1 @@
+600a600181038060025900

evmcc/test/jump/loop1.lll

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+;; Produces 1 2 3 4 5 6 7 8 9 10 on the stack and exits
+
+(asm
+10     
+
+;; 2
+1
+DUP2        
+SUB
+DUP1
+2    
+JUMPI  
+
+;; stack = 1 2 3 4 5 6 7 8 9 10
+;;0
+;;MSTORE
+;;1 
+;;MSTORE
+;;2 
+;;MSTORE
+;;3 
+;;MSTORE
+
+STOP
+)
+
+

evmcc/test/jump/loop2.evm

@@ -0,0 +1 @@
+600a80600160800360a060025900

evmcc/test/jump/loop2.lll

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+;; Produces 1 2 3 4 5 6 7 8 9 10 on the stack and exits
+
+(asm
+10     
+
+;; 2
+DUP1        
+1      
+SWAP   
+SUB    
+DUP
+2      
+JUMPI  
+
+;; stack = 1 2 3 4 5 6 7 8 9 10
+;;0
+;;MSTORE
+;;1 
+;;MSTORE
+;;2 
+;;MSTORE
+;;3 
+;;MSTORE
+
+STOP
+)
+
+