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.
15 lines
343 B
Plaintext
15 lines
343 B
Plaintext
test peepmatic
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target x86_64
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function %wraparound(i64 vmctx) -> f32 system_v {
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gv0 = vmctx
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gv1 = iadd_imm.i64 gv0, 48
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block35(v0: i64):
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v88 = iconst.i64 0
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v89 = iconst.i64 0x8000_0000_0000_0000
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v90 = ishl_imm v88, 0x8000_0000_0000_0000
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v91 = sshr v90, v89; check: sshr_imm v90, 0x8000_0000_0000_0000
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trap user0
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}
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