43 lines
822 B
Plaintext
43 lines
822 B
Plaintext
test regalloc
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; We can add more ISAs once they have defined encodings.
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isa riscv
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; regex: RX=%x\d+
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function add(i32, i32) {
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ebb0(v1: i32, v2: i32):
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v3 = iadd v1, v2
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; check: [R#0c,%x5]
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; sameln: iadd
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return
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}
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; Function with a dead argument.
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function dead_arg(i32, i32) -> i32{
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ebb0(v1: i32, v2: i32):
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; not: regmove
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; check: return $v1
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return v1
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}
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; Return a value from a different register.
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function move1(i32, i32) -> i32 {
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ebb0(v1: i32, v2: i32):
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; not: regmove
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; check: regmove $v2, %x11 -> %x10
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; nextln: return $v2
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return v2
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}
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; Swap two registers.
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function swap(i32, i32) -> i32, i32 {
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ebb0(v1: i32, v2: i32):
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; not: regmove
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; check: regmove $v2, %x11 -> $(tmp=$RX)
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; nextln: regmove $v1, %x10 -> %x11
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; nextln: regmove $v2, $tmp -> %x10
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; nextln: return $v2, $v1
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return v2, v1
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}
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