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hakorune/tests/phase33/smoke/loopform/for_counter.hako

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// LoopForm Smoke Test 2: Counter-based for loop
// Tests for loop with explicit counter using loopform
//
// Expected behavior (when C++ backend implements loopform):
// - Loop from 0 to 9 (10 iterations)
// - Use payload mode for structural counter
// - Return total iterations
using "lang/src/llvm_ir/instructions/loopform.hako" as LoopFormInst
static box Main {
main() {
print("=== LoopForm Smoke Test 2: for_counter ===")
// Simulate for loop: for (i = 0; i < 10; i++)
local blocks = new MapBox()
blocks.set("preheader", 10)
blocks.set("header", 11)
blocks.set("body", 12)
blocks.set("dispatch", 13)
blocks.set("latch", 14)
blocks.set("exit", 15)
// Use payload mode with max iterations
local options = new MapBox()
options.set("mode", "payload")
options.set("payload_max", 10)
options.set("enable_safepoint", 1)
// Generate loopform JSON
local json = LoopFormInst.lower_loopform(2, blocks, 20, options)
// Verify JSON structure
local has_loopform = json.indexOf("\"op\":\"loopform\"")
if has_loopform < 0 {
print("ERROR: loopform op not found")
return 1
}
local has_payload_mode = json.indexOf("\"mode\":\"payload\"")
if has_payload_mode < 0 {
print("ERROR: payload mode not found")
return 1
}
local has_max = json.indexOf("\"payload_max\":10")
if has_max < 0 {
print("ERROR: payload_max not found")
return 1
}
print("✓ PASS: for_counter loopform generated")
print("Note: Actual loop execution requires C++ backend implementation")
return 0
}
}