; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -aarch64-sve-vector-bits-min=256 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_256 ; RUN: llc -aarch64-sve-vector-bits-min=512 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_512 ; RUN: llc -aarch64-sve-vector-bits-min=2048 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_512 target triple = "aarch64-unknown-linux-gnu" ; Don't use SVE for 64-bit vectors. define <4 x half> @select_v4f16(<4 x half> %op1, <4 x half> %op2, <4 x i1> %mask) vscale_range(2,0) #0 { ; CHECK-LABEL: select_v4f16: ; CHECK: // %bb.0: ; CHECK-NEXT: shl v2.4h, v2.4h, #15 ; CHECK-NEXT: cmlt v2.4h, v2.4h, #0 ; CHECK-NEXT: bif v0.8b, v1.8b, v2.8b ; CHECK-NEXT: ret %sel = select <4 x i1> %mask, <4 x half> %op1, <4 x half> %op2 ret <4 x half> %sel } ; Don't use SVE for 128-bit vectors. define <8 x half> @select_v8f16(<8 x half> %op1, <8 x half> %op2, <8 x i1> %mask) vscale_range(2,0) #0 { ; CHECK-LABEL: select_v8f16: ; CHECK: // %bb.0: ; CHECK-NEXT: ushll v2.8h, v2.8b, #0 ; CHECK-NEXT: shl v2.8h, v2.8h, #15 ; CHECK-NEXT: cmlt v2.8h, v2.8h, #0 ; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b ; CHECK-NEXT: ret %sel = select <8 x i1> %mask, <8 x half> %op1, <8 x half> %op2 ret <8 x half> %sel } define void @select_v16f16(<16 x half>* %a, <16 x half>* %b) vscale_range(2,0) #0 { ; CHECK-LABEL: select_v16f16: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.h, vl16 ; CHECK-NEXT: ld1h { z0.h }, p0/z, [x0] ; CHECK-NEXT: ld1h { z1.h }, p0/z, [x1] ; CHECK-NEXT: fcmeq p1.h, p0/z, z0.h, z1.h ; CHECK-NEXT: sel z0.h, p1, z0.h, z1.h ; CHECK-NEXT: st1h { z0.h }, p0, [x0] ; CHECK-NEXT: ret %op1 = load <16 x half>, <16 x half>* %a %op2 = load <16 x half>, <16 x half>* %b %mask = fcmp oeq <16 x half> %op1, %op2 %sel = select <16 x i1> %mask, <16 x half> %op1, <16 x half> %op2 store <16 x half> %sel, <16 x half>* %a ret void } define void @select_v32f16(<32 x half>* %a, <32 x half>* %b) #0 { ; VBITS_GE_256-LABEL: select_v32f16: ; VBITS_GE_256: // %bb.0: ; VBITS_GE_256-NEXT: mov x8, #16 ; VBITS_GE_256-NEXT: ptrue p0.h, vl16 ; VBITS_GE_256-NEXT: ld1h { z0.h }, p0/z, [x0, x8, lsl #1] ; VBITS_GE_256-NEXT: ld1h { z1.h }, p0/z, [x0] ; VBITS_GE_256-NEXT: ld1h { z2.h }, p0/z, [x1, x8, lsl #1] ; VBITS_GE_256-NEXT: ld1h { z3.h }, p0/z, [x1] ; VBITS_GE_256-NEXT: fcmeq p1.h, p0/z, z0.h, z2.h ; VBITS_GE_256-NEXT: fcmeq p2.h, p0/z, z1.h, z3.h ; VBITS_GE_256-NEXT: sel z0.h, p1, z0.h, z2.h ; VBITS_GE_256-NEXT: sel z1.h, p2, z1.h, z3.h ; VBITS_GE_256-NEXT: st1h { z0.h }, p0, [x0, x8, lsl #1] ; VBITS_GE_256-NEXT: st1h { z1.h }, p0, [x0] ; VBITS_GE_256-NEXT: ret ; ; VBITS_GE_512-LABEL: select_v32f16: ; VBITS_GE_512: // %bb.0: ; VBITS_GE_512-NEXT: ptrue p0.h, vl32 ; VBITS_GE_512-NEXT: ld1h { z0.h }, p0/z, [x0] ; VBITS_GE_512-NEXT: ld1h { z1.h }, p0/z, [x1] ; VBITS_GE_512-NEXT: fcmeq p1.h, p0/z, z0.h, z1.h ; VBITS_GE_512-NEXT: sel z0.h, p1, z0.h, z1.h ; VBITS_GE_512-NEXT: st1h { z0.h }, p0, [x0] ; VBITS_GE_512-NEXT: ret %op1 = load <32 x half>, <32 x half>* %a %op2 = load <32 x half>, <32 x half>* %b %mask = fcmp oeq <32 x half> %op1, %op2 %sel = select <32 x i1> %mask, <32 x half> %op1, <32 x half> %op2 store <32 x half> %sel, <32 x half>* %a ret void } define void @select_v64f16(<64 x half>* %a, <64 x half>* %b) vscale_range(8,0) #0 { ; CHECK-LABEL: select_v64f16: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.h, vl64 ; CHECK-NEXT: ld1h { z0.h }, p0/z, [x0] ; CHECK-NEXT: ld1h { z1.h }, p0/z, [x1] ; CHECK-NEXT: fcmeq p1.h, p0/z, z0.h, z1.h ; CHECK-NEXT: sel z0.h, p1, z0.h, z1.h ; CHECK-NEXT: st1h { z0.h }, p0, [x0] ; CHECK-NEXT: ret %op1 = load <64 x half>, <64 x half>* %a %op2 = load <64 x half>, <64 x half>* %b %mask = fcmp oeq <64 x half> %op1, %op2 %sel = select <64 x i1> %mask, <64 x half> %op1, <64 x half> %op2 store <64 x half> %sel, <64 x half>* %a ret void } define void @select_v128f16(<128 x half>* %a, <128 x half>* %b) vscale_range(16,0) #0 { ; CHECK-LABEL: select_v128f16: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.h, vl128 ; CHECK-NEXT: ld1h { z0.h }, p0/z, [x0] ; CHECK-NEXT: ld1h { z1.h }, p0/z, [x1] ; CHECK-NEXT: fcmeq p1.h, p0/z, z0.h, z1.h ; CHECK-NEXT: sel z0.h, p1, z0.h, z1.h ; CHECK-NEXT: st1h { z0.h }, p0, [x0] ; CHECK-NEXT: ret %op1 = load <128 x half>, <128 x half>* %a %op2 = load <128 x half>, <128 x half>* %b %mask = fcmp oeq <128 x half> %op1, %op2 %sel = select <128 x i1> %mask, <128 x half> %op1, <128 x half> %op2 store <128 x half> %sel, <128 x half>* %a ret void } ; Don't use SVE for 64-bit vectors. define <2 x float> @select_v2f32(<2 x float> %op1, <2 x float> %op2, <2 x i1> %mask) vscale_range(2,0) #0 { ; CHECK-LABEL: select_v2f32: ; CHECK: // %bb.0: ; CHECK-NEXT: shl v2.2s, v2.2s, #31 ; CHECK-NEXT: cmlt v2.2s, v2.2s, #0 ; CHECK-NEXT: bif v0.8b, v1.8b, v2.8b ; CHECK-NEXT: ret %sel = select <2 x i1> %mask, <2 x float> %op1, <2 x float> %op2 ret <2 x float> %sel } ; Don't use SVE for 128-bit vectors. define <4 x float> @select_v4f32(<4 x float> %op1, <4 x float> %op2, <4 x i1> %mask) vscale_range(2,0) #0 { ; CHECK-LABEL: select_v4f32: ; CHECK: // %bb.0: ; CHECK-NEXT: ushll v2.4s, v2.4h, #0 ; CHECK-NEXT: shl v2.4s, v2.4s, #31 ; CHECK-NEXT: cmlt v2.4s, v2.4s, #0 ; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b ; CHECK-NEXT: ret %sel = select <4 x i1> %mask, <4 x float> %op1, <4 x float> %op2 ret <4 x float> %sel } define void @select_v8f32(<8 x float>* %a, <8 x float>* %b) vscale_range(2,0) #0 { ; CHECK-LABEL: select_v8f32: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.s, vl8 ; CHECK-NEXT: ld1w { z0.s }, p0/z, [x0] ; CHECK-NEXT: ld1w { z1.s }, p0/z, [x1] ; CHECK-NEXT: fcmeq p1.s, p0/z, z0.s, z1.s ; CHECK-NEXT: sel z0.s, p1, z0.s, z1.s ; CHECK-NEXT: st1w { z0.s }, p0, [x0] ; CHECK-NEXT: ret %op1 = load <8 x float>, <8 x float>* %a %op2 = load <8 x float>, <8 x float>* %b %mask = fcmp oeq <8 x float> %op1, %op2 %sel = select <8 x i1> %mask, <8 x float> %op1, <8 x float> %op2 store <8 x float> %sel, <8 x float>* %a ret void } define void @select_v16f32(<16 x float>* %a, <16 x float>* %b) #0 { ; VBITS_GE_256-LABEL: select_v16f32: ; VBITS_GE_256: // %bb.0: ; VBITS_GE_256-NEXT: mov x8, #8 ; VBITS_GE_256-NEXT: ptrue p0.s, vl8 ; VBITS_GE_256-NEXT: ld1w { z0.s }, p0/z, [x0, x8, lsl #2] ; VBITS_GE_256-NEXT: ld1w { z1.s }, p0/z, [x0] ; VBITS_GE_256-NEXT: ld1w { z2.s }, p0/z, [x1, x8, lsl #2] ; VBITS_GE_256-NEXT: ld1w { z3.s }, p0/z, [x1] ; VBITS_GE_256-NEXT: fcmeq p1.s, p0/z, z0.s, z2.s ; VBITS_GE_256-NEXT: fcmeq p2.s, p0/z, z1.s, z3.s ; VBITS_GE_256-NEXT: sel z0.s, p1, z0.s, z2.s ; VBITS_GE_256-NEXT: sel z1.s, p2, z1.s, z3.s ; VBITS_GE_256-NEXT: st1w { z0.s }, p0, [x0, x8, lsl #2] ; VBITS_GE_256-NEXT: st1w { z1.s }, p0, [x0] ; VBITS_GE_256-NEXT: ret ; ; VBITS_GE_512-LABEL: select_v16f32: ; VBITS_GE_512: // %bb.0: ; VBITS_GE_512-NEXT: ptrue p0.s, vl16 ; VBITS_GE_512-NEXT: ld1w { z0.s }, p0/z, [x0] ; VBITS_GE_512-NEXT: ld1w { z1.s }, p0/z, [x1] ; VBITS_GE_512-NEXT: fcmeq p1.s, p0/z, z0.s, z1.s ; VBITS_GE_512-NEXT: sel z0.s, p1, z0.s, z1.s ; VBITS_GE_512-NEXT: st1w { z0.s }, p0, [x0] ; VBITS_GE_512-NEXT: ret %op1 = load <16 x float>, <16 x float>* %a %op2 = load <16 x float>, <16 x float>* %b %mask = fcmp oeq <16 x float> %op1, %op2 %sel = select <16 x i1> %mask, <16 x float> %op1, <16 x float> %op2 store <16 x float> %sel, <16 x float>* %a ret void } define void @select_v32f32(<32 x float>* %a, <32 x float>* %b) vscale_range(8,0) #0 { ; CHECK-LABEL: select_v32f32: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.s, vl32 ; CHECK-NEXT: ld1w { z0.s }, p0/z, [x0] ; CHECK-NEXT: ld1w { z1.s }, p0/z, [x1] ; CHECK-NEXT: fcmeq p1.s, p0/z, z0.s, z1.s ; CHECK-NEXT: sel z0.s, p1, z0.s, z1.s ; CHECK-NEXT: st1w { z0.s }, p0, [x0] ; CHECK-NEXT: ret %op1 = load <32 x float>, <32 x float>* %a %op2 = load <32 x float>, <32 x float>* %b %mask = fcmp oeq <32 x float> %op1, %op2 %sel = select <32 x i1> %mask, <32 x float> %op1, <32 x float> %op2 store <32 x float> %sel, <32 x float>* %a ret void } define void @select_v64f32(<64 x float>* %a, <64 x float>* %b) vscale_range(16,0) #0 { ; CHECK-LABEL: select_v64f32: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.s, vl64 ; CHECK-NEXT: ld1w { z0.s }, p0/z, [x0] ; CHECK-NEXT: ld1w { z1.s }, p0/z, [x1] ; CHECK-NEXT: fcmeq p1.s, p0/z, z0.s, z1.s ; CHECK-NEXT: sel z0.s, p1, z0.s, z1.s ; CHECK-NEXT: st1w { z0.s }, p0, [x0] ; CHECK-NEXT: ret %op1 = load <64 x float>, <64 x float>* %a %op2 = load <64 x float>, <64 x float>* %b %mask = fcmp oeq <64 x float> %op1, %op2 %sel = select <64 x i1> %mask, <64 x float> %op1, <64 x float> %op2 store <64 x float> %sel, <64 x float>* %a ret void } ; Don't use SVE for 64-bit vectors. define <1 x double> @select_v1f64(<1 x double> %op1, <1 x double> %op2, <1 x i1> %mask) vscale_range(2,0) #0 { ; CHECK-LABEL: select_v1f64: ; CHECK: // %bb.0: ; CHECK-NEXT: tst w0, #0x1 ; CHECK-NEXT: csetm x8, ne ; CHECK-NEXT: fmov d2, x8 ; CHECK-NEXT: bif v0.8b, v1.8b, v2.8b ; CHECK-NEXT: ret %sel = select <1 x i1> %mask, <1 x double> %op1, <1 x double> %op2 ret <1 x double> %sel } ; Don't use SVE for 128-bit vectors. define <2 x double> @select_v2f64(<2 x double> %op1, <2 x double> %op2, <2 x i1> %mask) vscale_range(2,0) #0 { ; CHECK-LABEL: select_v2f64: ; CHECK: // %bb.0: ; CHECK-NEXT: ushll v2.2d, v2.2s, #0 ; CHECK-NEXT: shl v2.2d, v2.2d, #63 ; CHECK-NEXT: cmlt v2.2d, v2.2d, #0 ; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b ; CHECK-NEXT: ret %sel = select <2 x i1> %mask, <2 x double> %op1, <2 x double> %op2 ret <2 x double> %sel } define void @select_v4f64(<4 x double>* %a, <4 x double>* %b) vscale_range(2,0) #0 { ; CHECK-LABEL: select_v4f64: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.d, vl4 ; CHECK-NEXT: ld1d { z0.d }, p0/z, [x0] ; CHECK-NEXT: ld1d { z1.d }, p0/z, [x1] ; CHECK-NEXT: fcmeq p1.d, p0/z, z0.d, z1.d ; CHECK-NEXT: sel z0.d, p1, z0.d, z1.d ; CHECK-NEXT: st1d { z0.d }, p0, [x0] ; CHECK-NEXT: ret %op1 = load <4 x double>, <4 x double>* %a %op2 = load <4 x double>, <4 x double>* %b %mask = fcmp oeq <4 x double> %op1, %op2 %sel = select <4 x i1> %mask, <4 x double> %op1, <4 x double> %op2 store <4 x double> %sel, <4 x double>* %a ret void } define void @select_v8f64(<8 x double>* %a, <8 x double>* %b) #0 { ; VBITS_GE_256-LABEL: select_v8f64: ; VBITS_GE_256: // %bb.0: ; VBITS_GE_256-NEXT: mov x8, #4 ; VBITS_GE_256-NEXT: ptrue p0.d, vl4 ; VBITS_GE_256-NEXT: ld1d { z0.d }, p0/z, [x0, x8, lsl #3] ; VBITS_GE_256-NEXT: ld1d { z1.d }, p0/z, [x0] ; VBITS_GE_256-NEXT: ld1d { z2.d }, p0/z, [x1, x8, lsl #3] ; VBITS_GE_256-NEXT: ld1d { z3.d }, p0/z, [x1] ; VBITS_GE_256-NEXT: fcmeq p1.d, p0/z, z0.d, z2.d ; VBITS_GE_256-NEXT: fcmeq p2.d, p0/z, z1.d, z3.d ; VBITS_GE_256-NEXT: sel z0.d, p1, z0.d, z2.d ; VBITS_GE_256-NEXT: sel z1.d, p2, z1.d, z3.d ; VBITS_GE_256-NEXT: st1d { z0.d }, p0, [x0, x8, lsl #3] ; VBITS_GE_256-NEXT: st1d { z1.d }, p0, [x0] ; VBITS_GE_256-NEXT: ret ; ; VBITS_GE_512-LABEL: select_v8f64: ; VBITS_GE_512: // %bb.0: ; VBITS_GE_512-NEXT: ptrue p0.d, vl8 ; VBITS_GE_512-NEXT: ld1d { z0.d }, p0/z, [x0] ; VBITS_GE_512-NEXT: ld1d { z1.d }, p0/z, [x1] ; VBITS_GE_512-NEXT: fcmeq p1.d, p0/z, z0.d, z1.d ; VBITS_GE_512-NEXT: sel z0.d, p1, z0.d, z1.d ; VBITS_GE_512-NEXT: st1d { z0.d }, p0, [x0] ; VBITS_GE_512-NEXT: ret %op1 = load <8 x double>, <8 x double>* %a %op2 = load <8 x double>, <8 x double>* %b %mask = fcmp oeq <8 x double> %op1, %op2 %sel = select <8 x i1> %mask, <8 x double> %op1, <8 x double> %op2 store <8 x double> %sel, <8 x double>* %a ret void } define void @select_v16f64(<16 x double>* %a, <16 x double>* %b) vscale_range(8,0) #0 { ; CHECK-LABEL: select_v16f64: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.d, vl16 ; CHECK-NEXT: ld1d { z0.d }, p0/z, [x0] ; CHECK-NEXT: ld1d { z1.d }, p0/z, [x1] ; CHECK-NEXT: fcmeq p1.d, p0/z, z0.d, z1.d ; CHECK-NEXT: sel z0.d, p1, z0.d, z1.d ; CHECK-NEXT: st1d { z0.d }, p0, [x0] ; CHECK-NEXT: ret %op1 = load <16 x double>, <16 x double>* %a %op2 = load <16 x double>, <16 x double>* %b %mask = fcmp oeq <16 x double> %op1, %op2 %sel = select <16 x i1> %mask, <16 x double> %op1, <16 x double> %op2 store <16 x double> %sel, <16 x double>* %a ret void } define void @select_v32f64(<32 x double>* %a, <32 x double>* %b) vscale_range(16,0) #0 { ; CHECK-LABEL: select_v32f64: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.d, vl32 ; CHECK-NEXT: ld1d { z0.d }, p0/z, [x0] ; CHECK-NEXT: ld1d { z1.d }, p0/z, [x1] ; CHECK-NEXT: fcmeq p1.d, p0/z, z0.d, z1.d ; CHECK-NEXT: sel z0.d, p1, z0.d, z1.d ; CHECK-NEXT: st1d { z0.d }, p0, [x0] ; CHECK-NEXT: ret %op1 = load <32 x double>, <32 x double>* %a %op2 = load <32 x double>, <32 x double>* %b %mask = fcmp oeq <32 x double> %op1, %op2 %sel = select <32 x i1> %mask, <32 x double> %op1, <32 x double> %op2 store <32 x double> %sel, <32 x double>* %a ret void } attributes #0 = { "target-features"="+sve" }