52c6ece5f3
Rather than outright replacing parts of our existing peephole optimizations passes, this makes peepmatic an optional cargo feature that can be enabled. This allows us to take a conservative approach with enabling peepmatic everywhere, while also allowing us to get it in-tree and make it easier to collaborate on improving it quickly.
61 lines
1.2 KiB
Plaintext
61 lines
1.2 KiB
Plaintext
test peepmatic
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target i686
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;; 32-bits platforms.
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function %iadd_imm(i32) -> i32 {
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block0(v0: i32):
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v1 = iconst.i32 2
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v2 = iadd v0, v1
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return v2
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}
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; sameln: function %iadd_imm
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; nextln: block0(v0: i32):
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; nextln: v1 = iconst.i32 2
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; nextln: v2 = iadd_imm v0, 2
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; nextln: return v2
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; nextln: }
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function %isub_imm(i32) -> i32 {
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block0(v0: i32):
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v1 = iconst.i32 2
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v2 = isub v0, v1
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return v2
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}
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; sameln: function %isub_imm
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; nextln: block0(v0: i32):
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; nextln: v1 = iconst.i32 2
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; nextln: v2 = iadd_imm v0, -2
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; nextln: return v2
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; nextln: }
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function %icmp_imm(i32) -> i32 {
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block0(v0: i32):
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v1 = iconst.i32 2
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v2 = icmp slt v0, v1
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v3 = bint.i32 v2
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return v3
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}
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; sameln: function %icmp_imm
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; nextln: block0(v0: i32):
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; nextln: v1 = iconst.i32 2
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; nextln: v2 = icmp_imm slt v0, 2
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; nextln: v3 = bint.i32 v2
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; nextln: return v3
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; nextln: }
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;; Don't simplify operations that would get illegal because of lack of native
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;; support.
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function %iadd_imm(i64) -> i64 {
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block0(v0: i64):
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v1 = iconst.i64 2
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v2 = iadd v0, v1
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return v2
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}
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; sameln: function %iadd_imm
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; nextln: block0(v0: i64):
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; nextln: v1 = iconst.i64 2
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; nextln: v2 = iadd v0, v1
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; nextln: return v2
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; nextln: }
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