34 lines
734 B
Go
34 lines
734 B
Go
package optimizer
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import "strings"
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// passJmpNext removes unconditional jumps to the immediately following label.
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// Pattern: jmp L; L: → (remove jmp)
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func passJmpNext(lines []asmLine) []asmLine {
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var result []asmLine
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skipNext := false
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for i := 0; i < len(lines); i++ {
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if skipNext {
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skipNext = false
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continue
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}
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line := lines[i]
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// Check for jmp L followed by label L:
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if line.isCode && line.opcode == "jmp" && i+1 < len(lines) {
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next := lines[i+1]
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if next.isLabel && strings.TrimSpace(next.text) == strings.TrimSpace(line.operand) {
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// Remove the jmp, keep the label
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result = append(result, next)
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skipNext = true
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continue
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}
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}
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result = append(result, line)
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}
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return result
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}
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