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Author	SHA1	Message	Date
jeff	f4e6149d82	[AMDGPU] Use V_PERM to match buildvectors when inputs are not canonicalized (i.e. can't use V_PACK) If we can not prove that f16 operands of a buildvector are canonicalized, then we can not lower into a V_PACK. In this scenario, we would previously lower into some combination of and(sdwa), shr, or. This patch allows for matching into V_PERM instead. Change-Id: Ifa4a74fdb81ef44f22ba490c7fdf81ec8aebc945	2022-10-03 12:58:29 -07:00
Jay Foad	c155a944fb	[AMDGPU] GFX11 CodeGen support for MIMG instructions This includes: - New llvm.amdgcn.image.msaa.load.* intrinsics - NSA changes, because MIMG-NSA is now limited to 3 dwords - Split CD forms of IMAGE_SAMPLE instructions out into separate test files since they are no longer supported in GFX11 Differential Revision: https://reviews.llvm.org/D127837	2022-06-16 18:23:14 +01:00

Author

SHA1

Message

Date

jeff

f4e6149d82

[AMDGPU] Use V_PERM to match buildvectors when inputs are not canonicalized (i.e. can't use V_PACK)

If we can not prove that f16 operands of a buildvector are canonicalized, then we can not lower into a V_PACK. In this scenario, we would previously lower into some combination of and(sdwa), shr, or. This patch allows for matching into V_PERM instead.

Change-Id: Ifa4a74fdb81ef44f22ba490c7fdf81ec8aebc945

2022-10-03 12:58:29 -07:00

Jay Foad

c155a944fb

[AMDGPU] GFX11 CodeGen support for MIMG instructions

This includes:
- New llvm.amdgcn.image.msaa.load.* intrinsics
- NSA changes, because MIMG-NSA is now limited to 3 dwords
- Split CD forms of IMAGE_SAMPLE instructions out into separate
  test files since they are no longer supported in GFX11

Differential Revision: https://reviews.llvm.org/D127837

2022-06-16 18:23:14 +01:00

2 Commits