; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -march=hexagon < %s | FileCheck %s ; Check that selection (based on i1) between vector predicates works. define <128 x i8> @f0(<128 x i8> %a0, <128 x i8> %a1, <128 x i8> %a2, <128 x i8> %a3, i32 %a4) #0 { ; CHECK-LABEL: f0: ; CHECK: // %bb.0: ; CHECK-NEXT: { ; CHECK-NEXT: q0 = vcmp.gt(v0.b,v1.b) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: q1 = vcmp.gt(v1.b,v2.b) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: r2 = #-1 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: p0 = cmp.gt(r0,#0) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v0 = vand(q1,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v2 = vand(q0,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: if (p0) v0 = v2 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: q3 = vand(v0,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v0 = vmux(q3,v1,v3) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: jumpr r31 ; CHECK-NEXT: } %v0 = icmp sgt <128 x i8> %a0, %a1 %v1 = icmp sgt <128 x i8> %a1, %a2 %v2 = icmp sgt i32 %a4, 0 %v3 = select i1 %v2, <128 x i1> %v0, <128 x i1> %v1 %v4 = select <128 x i1> %v3, <128 x i8> %a1, <128 x i8> %a3 ret <128 x i8> %v4 } define <64 x i16> @f1(<64 x i16> %a0, <64 x i16> %a1, <64 x i16> %a2, <64 x i16> %a3, i32 %a4) #0 { ; CHECK-LABEL: f1: ; CHECK: // %bb.0: ; CHECK-NEXT: { ; CHECK-NEXT: q0 = vcmp.gt(v0.h,v1.h) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: q1 = vcmp.gt(v1.h,v2.h) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: r2 = #-1 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: p0 = cmp.gt(r0,#0) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v0 = vand(q1,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v2 = vand(q0,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: if (p0) v0 = v2 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: q3 = vand(v0,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v0 = vmux(q3,v1,v3) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: jumpr r31 ; CHECK-NEXT: } %v0 = icmp sgt <64 x i16> %a0, %a1 %v1 = icmp sgt <64 x i16> %a1, %a2 %v2 = icmp sgt i32 %a4, 0 %v3 = select i1 %v2, <64 x i1> %v0, <64 x i1> %v1 %v4 = select <64 x i1> %v3, <64 x i16> %a1, <64 x i16> %a3 ret <64 x i16> %v4 } define <32 x i32> @f2(<32 x i32> %a0, <32 x i32> %a1, <32 x i32> %a2, <32 x i32> %a3, i32 %a4) #0 { ; CHECK-LABEL: f2: ; CHECK: // %bb.0: ; CHECK-NEXT: { ; CHECK-NEXT: q0 = vcmp.gt(v0.w,v1.w) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: q1 = vcmp.gt(v1.w,v2.w) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: r2 = #-1 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: p0 = cmp.gt(r0,#0) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v0 = vand(q1,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v2 = vand(q0,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: if (p0) v0 = v2 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: q3 = vand(v0,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v0 = vmux(q3,v1,v3) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: jumpr r31 ; CHECK-NEXT: } %v0 = icmp sgt <32 x i32> %a0, %a1 %v1 = icmp sgt <32 x i32> %a1, %a2 %v2 = icmp sgt i32 %a4, 0 %v3 = select i1 %v2, <32 x i1> %v0, <32 x i1> %v1 %v4 = select <32 x i1> %v3, <32 x i32> %a1, <32 x i32> %a3 ret <32 x i32> %v4 } ; Selection of vector predicates first converts them into regular vectors. ; Check that all-true and all-false bool vectors are optimized into splat(-1) ; and vxor(v,v). define <128 x i8> @f3(<128 x i8> %a0, <128 x i8> %a1, i32 %a2) #0 { ; CHECK-LABEL: f3: ; CHECK: // %bb.0: ; CHECK-NEXT: { ; CHECK-NEXT: r2 = #-1 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: p0 = cmp.gt(r0,#0) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v2 = vxor(v2,v2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v3 = vsplat(r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: if (p0) v2 = v3 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: q0 = vand(v2,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v0 = vmux(q0,v0,v1) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: jumpr r31 ; CHECK-NEXT: } %v0 = insertelement <128 x i1> undef, i1 true, i32 0 %v1 = shufflevector <128 x i1> %v0, <128 x i1> undef, <128 x i32> zeroinitializer %v2 = icmp sgt i32 %a2, 0 %v3 = select i1 %v2, <128 x i1> %v1, <128 x i1> zeroinitializer %v4 = select <128 x i1> %v3, <128 x i8> %a0, <128 x i8> %a1 ret <128 x i8> %v4 } define <64 x i16> @f4(<64 x i16> %a0, <64 x i16> %a1, i32 %a2) #0 { ; CHECK-LABEL: f4: ; CHECK: // %bb.0: ; CHECK-NEXT: { ; CHECK-NEXT: r2 = #-1 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: p0 = cmp.gt(r0,#0) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v2 = vxor(v2,v2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v3 = vsplat(r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: if (p0) v2 = v3 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: q0 = vand(v2,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v0 = vmux(q0,v0,v1) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: jumpr r31 ; CHECK-NEXT: } %v0 = insertelement <64 x i1> undef, i1 true, i32 0 %v1 = shufflevector <64 x i1> %v0, <64 x i1> undef, <64 x i32> zeroinitializer %v2 = icmp sgt i32 %a2, 0 %v3 = select i1 %v2, <64 x i1> %v1, <64 x i1> zeroinitializer %v4 = select <64 x i1> %v3, <64 x i16> %a0, <64 x i16> %a1 ret <64 x i16> %v4 } define <32 x i32> @f5(<32 x i32> %a0, <32 x i32> %a1, i32 %a2) #0 { ; CHECK-LABEL: f5: ; CHECK: // %bb.0: ; CHECK-NEXT: { ; CHECK-NEXT: r2 = #-1 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: p0 = cmp.gt(r0,#0) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v2 = vxor(v2,v2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v3 = vsplat(r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: if (p0) v2 = v3 ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: q0 = vand(v2,r2) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: v0 = vmux(q0,v0,v1) ; CHECK-NEXT: } ; CHECK-NEXT: { ; CHECK-NEXT: jumpr r31 ; CHECK-NEXT: } %v0 = insertelement <32 x i1> undef, i1 true, i32 0 %v1 = shufflevector <32 x i1> %v0, <32 x i1> undef, <32 x i32> zeroinitializer %v2 = icmp sgt i32 %a2, 0 %v3 = select i1 %v2, <32 x i1> %v1, <32 x i1> zeroinitializer %v4 = select <32 x i1> %v3, <32 x i32> %a0, <32 x i32> %a1 ret <32 x i32> %v4 } attributes #0 = { nounwind "target-cpu"="hexagonv66" "target-features"="+hvx,+hvx-length128b,-packets" }