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[AArch64] Make target intrinsics DefaultAttrIntrinsics.

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DefaultAttrIntrinsics was introduced to add very common attributes to a
large set of intrinsics.

Currently the added attributes include:

    nofree nosync nounwind willreturn

I think those should hold for most AArch64 target intrinsics, but
there are too many to check manually. This patch makes most AArch64 target
intrinsics DefaultAttrsIntrinsics.

Some notable exceptions I think are exclusive loads and stores as well
as the memory barrier intrinsics, for which nosync does not apply I
think.

Reviewed By: SjoerdMeijer

Differential Revision: https://reviews.llvm.org/D94687
This commit is contained in:
Florian Hahn 2021-01-18 17:18:58 +00:00
parent 15879d3807
commit 3773c85b51
2 changed files with 233 additions and 222 deletions
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439
include/llvm/IR/IntrinsicsAArch64.td
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File diff suppressed because it is too large Load Diff

16
test/Assembler/aarch64-intrinsics-attributes.ll
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@ -4,23 +4,23 @@
; Make sure some AArch64 intrinsics have the expected attributes.
; CHECK: declare i64 @llvm.aarch64.ldxr.p0i64(i64*) [[NOUNWIND:#[0-9]+]]
; CHECK: declare i64 @llvm.aarch64.ldxr.p0i64(i64*) [[NOFREE_NOUNWIND_WILLRETURN:#[0-9]+]]
declare i64 @llvm.aarch64.ldxr.p0i64(i64*)
; CHECK: declare i32 @llvm.aarch64.stxp(i64, i64, i32*) [[NOUNWIND]]
; CHECK: declare i32 @llvm.aarch64.stxp(i64, i64, i32*) [[NOFREE_NOUNWIND_WILLRETURN]]
declare i32 @llvm.aarch64.stxp(i64, i64, i32*)
; CHECK: declare i32 @llvm.aarch64.dsb(i32) [[NOUNWIND]]
; CHECK: declare i32 @llvm.aarch64.dsb(i32) [[NOFREE_NOUNWIND_WILLRETURN]]
declare i32 @llvm.aarch64.dsb(i32)
; CHECK: declare i64 @llvm.aarch64.neon.sqdmulls.scalar(i32, i32) [[NOUNWIND_READNONE:#[0-9]+]]
; CHECK: declare i64 @llvm.aarch64.neon.sqdmulls.scalar(i32, i32) [[NOFREE_NOSYNC_NOUNWIND_READNONE_WILLRETURN:#[0-9]+]]
declare i64 @llvm.aarch64.neon.sqdmulls.scalar(i32, i32)
; CHECK: declare <4 x i32> @llvm.aarch64.neon.shadd.v4i32(<4 x i32>, <4 x i32>) [[NOUNWIND_READNONE]]
; CHECK: declare <4 x i32> @llvm.aarch64.neon.shadd.v4i32(<4 x i32>, <4 x i32>) [[NOFREE_NOSYNC_NOUNWIND_READNONE_WILLRETURN]]
declare <4 x i32> @llvm.aarch64.neon.shadd.v4i32(<4 x i32>, <4 x i32>)
; CHECK: declare <vscale x 4 x i32> @llvm.aarch64.sve.dup.nxv4i32(<vscale x 4 x i32>, <vscale x 4 x i1>, i32) [[NOUNWIND_READNONE]]
; CHECK: declare <vscale x 4 x i32> @llvm.aarch64.sve.dup.nxv4i32(<vscale x 4 x i32>, <vscale x 4 x i1>, i32) [[NOFREE_NOSYNC_NOUNWIND_READNONE_WILLRETURN]]
declare <vscale x 4 x i32> @llvm.aarch64.sve.dup.nxv4i32(<vscale x 4 x i32>, <vscale x 4 x i1>, i32)
; CHECK: attributes [[NOUNWIND]] = { nounwind }
; CHECK: attributes [[NOUNWIND_READNONE]] = { nounwind readnone }
; CHECK: attributes [[NOFREE_NOUNWIND_WILLRETURN]] = { nofree nounwind willreturn }
; CHECK: attributes [[NOFREE_NOSYNC_NOUNWIND_READNONE_WILLRETURN]] = { nofree nosync nounwind readnone willreturn }