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f7efb97beb
Legalize/select llvm.ctlz.* Add select-ctlz to show that we actually select them. Update arm64-clrsb.ll and arm64-vclz.ll to show that we perform valid transformations in optimized builds, and document where GISel can improve. Differential Revision: https://reviews.llvm.org/D58155 llvm-svn: 354299
155 lines
5.3 KiB
LLVM
155 lines
5.3 KiB
LLVM
; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple | FileCheck %s
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; RUN: llc < %s -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel* -mtriple=arm64-eabi -aarch64-neon-syntax=apple | FileCheck %s
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; FALLBACK-NOT: remark{{.*}}test_vclz_u8
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define <8 x i8> @test_vclz_u8(<8 x i8> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclz_u8:
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; CHECK: clz.8b v0, v0
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; CHECK-NEXT: ret
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%vclz.i = tail call <8 x i8> @llvm.ctlz.v8i8(<8 x i8> %a, i1 false) nounwind
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ret <8 x i8> %vclz.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclz_s8
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define <8 x i8> @test_vclz_s8(<8 x i8> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclz_s8:
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; CHECK: clz.8b v0, v0
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; CHECK-NEXT: ret
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%vclz.i = tail call <8 x i8> @llvm.ctlz.v8i8(<8 x i8> %a, i1 false) nounwind
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ret <8 x i8> %vclz.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclz_u16
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define <4 x i16> @test_vclz_u16(<4 x i16> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclz_u16:
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; CHECK: clz.4h v0, v0
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; CHECK-NEXT: ret
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%vclz1.i = tail call <4 x i16> @llvm.ctlz.v4i16(<4 x i16> %a, i1 false) nounwind
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ret <4 x i16> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclz_s16
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define <4 x i16> @test_vclz_s16(<4 x i16> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclz_s16:
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; CHECK: clz.4h v0, v0
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; CHECK-NEXT: ret
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%vclz1.i = tail call <4 x i16> @llvm.ctlz.v4i16(<4 x i16> %a, i1 false) nounwind
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ret <4 x i16> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclz_u32
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define <2 x i32> @test_vclz_u32(<2 x i32> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclz_u32:
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; CHECK: clz.2s v0, v0
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; CHECK-NEXT: ret
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%vclz1.i = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false) nounwind
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ret <2 x i32> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclz_s32
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define <2 x i32> @test_vclz_s32(<2 x i32> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclz_s32:
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; CHECK: clz.2s v0, v0
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; CHECK-NEXT: ret
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%vclz1.i = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false) nounwind
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ret <2 x i32> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclz_u64
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define <1 x i64> @test_vclz_u64(<1 x i64> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclz_u64:
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%vclz1.i = tail call <1 x i64> @llvm.ctlz.v1i64(<1 x i64> %a, i1 false) nounwind
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ret <1 x i64> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclz_s64
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define <1 x i64> @test_vclz_s64(<1 x i64> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclz_s64:
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%vclz1.i = tail call <1 x i64> @llvm.ctlz.v1i64(<1 x i64> %a, i1 false) nounwind
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ret <1 x i64> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclzq_u8
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define <16 x i8> @test_vclzq_u8(<16 x i8> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclzq_u8:
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; CHECK: clz.16b v0, v0
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; CHECK-NEXT: ret
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%vclz.i = tail call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %a, i1 false) nounwind
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ret <16 x i8> %vclz.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclzq_s8
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define <16 x i8> @test_vclzq_s8(<16 x i8> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclzq_s8:
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; CHECK: clz.16b v0, v0
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; CHECK-NEXT: ret
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%vclz.i = tail call <16 x i8> @llvm.ctlz.v16i8(<16 x i8> %a, i1 false) nounwind
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ret <16 x i8> %vclz.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclzq_u16
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define <8 x i16> @test_vclzq_u16(<8 x i16> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclzq_u16:
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; CHECK: clz.8h v0, v0
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; CHECK-NEXT: ret
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%vclz1.i = tail call <8 x i16> @llvm.ctlz.v8i16(<8 x i16> %a, i1 false) nounwind
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ret <8 x i16> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclzq_s16
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define <8 x i16> @test_vclzq_s16(<8 x i16> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclzq_s16:
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; CHECK: clz.8h v0, v0
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; CHECK-NEXT: ret
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%vclz1.i = tail call <8 x i16> @llvm.ctlz.v8i16(<8 x i16> %a, i1 false) nounwind
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ret <8 x i16> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclzq_u32
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define <4 x i32> @test_vclzq_u32(<4 x i32> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclzq_u32:
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; CHECK: clz.4s v0, v0
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; CHECK-NEXT: ret
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%vclz1.i = tail call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %a, i1 false) nounwind
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ret <4 x i32> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclzq_s32
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define <4 x i32> @test_vclzq_s32(<4 x i32> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclzq_s32:
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; CHECK: clz.4s v0, v0
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; CHECK-NEXT: ret
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%vclz1.i = tail call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %a, i1 false) nounwind
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ret <4 x i32> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclzq_u64
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define <2 x i64> @test_vclzq_u64(<2 x i64> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclzq_u64:
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%vclz1.i = tail call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 false) nounwind
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ret <2 x i64> %vclz1.i
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}
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; FALLBACK-NOT: remark{{.*}}test_vclzq_s64
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define <2 x i64> @test_vclzq_s64(<2 x i64> %a) nounwind readnone ssp {
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; CHECK-LABEL: test_vclzq_s64:
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%vclz1.i = tail call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 false) nounwind
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ret <2 x i64> %vclz1.i
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}
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declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>, i1) nounwind readnone
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declare <4 x i32> @llvm.ctlz.v4i32(<4 x i32>, i1) nounwind readnone
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declare <8 x i16> @llvm.ctlz.v8i16(<8 x i16>, i1) nounwind readnone
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declare <16 x i8> @llvm.ctlz.v16i8(<16 x i8>, i1) nounwind readnone
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declare <1 x i64> @llvm.ctlz.v1i64(<1 x i64>, i1) nounwind readnone
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declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1) nounwind readnone
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declare <4 x i16> @llvm.ctlz.v4i16(<4 x i16>, i1) nounwind readnone
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declare <8 x i8> @llvm.ctlz.v8i8(<8 x i8>, i1) nounwind readnone
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