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G_CTLZ and G_CTTZ Generic Opcode documentation typo
Needs ReviewPublic

Authored by CSears on Apr 24 2021, 8:46 PM.

Reviewers

pooja2299
paquette

Summary

G_CTLZ_ZERO_UNDEF and G_CTTZ_ZERO_UNDEF had been copied+pasted where G_CTLZ and G_CTTZ should have been.

	Time	Test
	140 ms	x64 windows > lld.MachO::reproduce.s

CSears requested review of this revision.Apr 24 2021, 8:46 PM

CSears created this revision.

@pooja2299 can you take a look at this patch?

In D101243#2974044, @xgupta wrote:

@pooja2299 can you take a look at this patch?

Yes sure

Path

Size

llvm/

docs/

GlobalISel/

4 lines

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	%3:_(s32) = G_UMULH %0, %1	%3:_(s32) = G_UMULH %0, %1

	G_CTLZ, G_CTTZ, G_CTPOP	G_CTLZ, G_CTTZ, G_CTPOP
	^^^^^^^^^^^^^^^^^^^^^^^	^^^^^^^^^^^^^^^^^^^^^^^

	Count leading zeros, trailing zeros, or number of set bits.	Count leading zeros, trailing zeros, or number of set bits.

	.. code-block:: none	.. code-block:: none

	%2:_(s33) = G_CTLZ_ZERO_UNDEF %1	%2:_(s33) = G_CTLZ %1
	%2:_(s33) = G_CTTZ_ZERO_UNDEF %1	%2:_(s33) = G_CTTZ %1
	%2:_(s33) = G_CTPOP %1	%2:_(s33) = G_CTPOP %1

	G_CTLZ_ZERO_UNDEF, G_CTTZ_ZERO_UNDEF	G_CTLZ_ZERO_UNDEF, G_CTTZ_ZERO_UNDEF
	^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^	^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

	Count leading zeros or trailing zeros. If the value is zero then the result is	Count leading zeros or trailing zeros. If the value is zero then the result is
	undefined.	undefined.

	.. code-block:: none	.. code-block:: none

Context not available.