; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s ; If positive... define i32 @zext_ifpos(i32 %x) { ; CHECK-LABEL: zext_ifpos: ; CHECK: // %bb.0: ; CHECK-NEXT: mvn w8, w0 ; CHECK-NEXT: lsr w0, w8, #31 ; CHECK-NEXT: ret %c = icmp sgt i32 %x, -1 %e = zext i1 %c to i32 ret i32 %e } define i32 @add_zext_ifpos(i32 %x) { ; CHECK-LABEL: add_zext_ifpos: ; CHECK: // %bb.0: ; CHECK-NEXT: asr w8, w0, #31 ; CHECK-NEXT: add w0, w8, #42 // =42 ; CHECK-NEXT: ret %c = icmp sgt i32 %x, -1 %e = zext i1 %c to i32 %r = add i32 %e, 41 ret i32 %r } define <4 x i32> @add_zext_ifpos_vec_splat(<4 x i32> %x) { ; CHECK-LABEL: add_zext_ifpos_vec_splat: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v1.2d, #0xffffffffffffffff ; CHECK-NEXT: cmgt v0.4s, v0.4s, v1.4s ; CHECK-NEXT: movi v1.4s, #41 ; CHECK-NEXT: sub v0.4s, v1.4s, v0.4s ; CHECK-NEXT: ret %c = icmp sgt <4 x i32> %x, <i32 -1, i32 -1, i32 -1, i32 -1> %e = zext <4 x i1> %c to <4 x i32> %r = add <4 x i32> %e, <i32 41, i32 41, i32 41, i32 41> ret <4 x i32> %r } define i32 @sel_ifpos_tval_bigger(i32 %x) { ; CHECK-LABEL: sel_ifpos_tval_bigger: ; CHECK: // %bb.0: ; CHECK-NEXT: cmp w0, #0 // =0 ; CHECK-NEXT: mov w8, #41 ; CHECK-NEXT: cinc w0, w8, ge ; CHECK-NEXT: ret %c = icmp sgt i32 %x, -1 %r = select i1 %c, i32 42, i32 41 ret i32 %r } define i32 @sext_ifpos(i32 %x) { ; CHECK-LABEL: sext_ifpos: ; CHECK: // %bb.0: ; CHECK-NEXT: mvn w8, w0 ; CHECK-NEXT: asr w0, w8, #31 ; CHECK-NEXT: ret %c = icmp sgt i32 %x, -1 %e = sext i1 %c to i32 ret i32 %e } define i32 @add_sext_ifpos(i32 %x) { ; CHECK-LABEL: add_sext_ifpos: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #31 ; CHECK-NEXT: add w0, w8, #41 // =41 ; CHECK-NEXT: ret %c = icmp sgt i32 %x, -1 %e = sext i1 %c to i32 %r = add i32 %e, 42 ret i32 %r } define <4 x i32> @add_sext_ifpos_vec_splat(<4 x i32> %x) { ; CHECK-LABEL: add_sext_ifpos_vec_splat: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v1.2d, #0xffffffffffffffff ; CHECK-NEXT: cmgt v0.4s, v0.4s, v1.4s ; CHECK-NEXT: movi v1.4s, #42 ; CHECK-NEXT: add v0.4s, v0.4s, v1.4s ; CHECK-NEXT: ret %c = icmp sgt <4 x i32> %x, <i32 -1, i32 -1, i32 -1, i32 -1> %e = sext <4 x i1> %c to <4 x i32> %r = add <4 x i32> %e, <i32 42, i32 42, i32 42, i32 42> ret <4 x i32> %r } define i32 @sel_ifpos_fval_bigger(i32 %x) { ; CHECK-LABEL: sel_ifpos_fval_bigger: ; CHECK: // %bb.0: ; CHECK-NEXT: cmp w0, #0 // =0 ; CHECK-NEXT: mov w8, #41 ; CHECK-NEXT: cinc w0, w8, lt ; CHECK-NEXT: ret %c = icmp sgt i32 %x, -1 %r = select i1 %c, i32 41, i32 42 ret i32 %r } ; If negative... define i32 @zext_ifneg(i32 %x) { ; CHECK-LABEL: zext_ifneg: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w0, w0, #31 ; CHECK-NEXT: ret %c = icmp slt i32 %x, 0 %r = zext i1 %c to i32 ret i32 %r } define i32 @add_zext_ifneg(i32 %x) { ; CHECK-LABEL: add_zext_ifneg: ; CHECK: // %bb.0: ; CHECK-NEXT: lsr w8, w0, #31 ; CHECK-NEXT: add w0, w8, #41 // =41 ; CHECK-NEXT: ret %c = icmp slt i32 %x, 0 %e = zext i1 %c to i32 %r = add i32 %e, 41 ret i32 %r } define i32 @sel_ifneg_tval_bigger(i32 %x) { ; CHECK-LABEL: sel_ifneg_tval_bigger: ; CHECK: // %bb.0: ; CHECK-NEXT: cmp w0, #0 // =0 ; CHECK-NEXT: mov w8, #41 ; CHECK-NEXT: cinc w0, w8, lt ; CHECK-NEXT: ret %c = icmp slt i32 %x, 0 %r = select i1 %c, i32 42, i32 41 ret i32 %r } define i32 @sext_ifneg(i32 %x) { ; CHECK-LABEL: sext_ifneg: ; CHECK: // %bb.0: ; CHECK-NEXT: asr w0, w0, #31 ; CHECK-NEXT: ret %c = icmp slt i32 %x, 0 %r = sext i1 %c to i32 ret i32 %r } define i32 @add_sext_ifneg(i32 %x) { ; CHECK-LABEL: add_sext_ifneg: ; CHECK: // %bb.0: ; CHECK-NEXT: asr w8, w0, #31 ; CHECK-NEXT: add w0, w8, #42 // =42 ; CHECK-NEXT: ret %c = icmp slt i32 %x, 0 %e = sext i1 %c to i32 %r = add i32 %e, 42 ret i32 %r } define i32 @sel_ifneg_fval_bigger(i32 %x) { ; CHECK-LABEL: sel_ifneg_fval_bigger: ; CHECK: // %bb.0: ; CHECK-NEXT: cmp w0, #0 // =0 ; CHECK-NEXT: mov w8, #41 ; CHECK-NEXT: cinc w0, w8, ge ; CHECK-NEXT: ret %c = icmp slt i32 %x, 0 %r = select i1 %c, i32 41, i32 42 ret i32 %r } define i32 @add_lshr_not(i32 %x) { ; CHECK-LABEL: add_lshr_not: ; CHECK: // %bb.0: ; CHECK-NEXT: asr w8, w0, #31 ; CHECK-NEXT: add w0, w8, #42 // =42 ; CHECK-NEXT: ret %not = xor i32 %x, -1 %sh = lshr i32 %not, 31 %r = add i32 %sh, 41 ret i32 %r } define <4 x i32> @add_lshr_not_vec_splat(<4 x i32> %x) { ; CHECK-LABEL: add_lshr_not_vec_splat: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v1.4s, #43 ; CHECK-NEXT: ssra v1.4s, v0.4s, #31 ; CHECK-NEXT: mov v0.16b, v1.16b ; CHECK-NEXT: ret %c = xor <4 x i32> %x, <i32 -1, i32 -1, i32 -1, i32 -1> %e = lshr <4 x i32> %c, <i32 31, i32 31, i32 31, i32 31> %r = add <4 x i32> %e, <i32 42, i32 42, i32 42, i32 42> ret <4 x i32> %r } define i32 @sub_lshr_not(i32 %x) { ; CHECK-LABEL: sub_lshr_not: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #42 ; CHECK-NEXT: bfxil w8, w0, #31, #1 ; CHECK-NEXT: mov w0, w8 ; CHECK-NEXT: ret %not = xor i32 %x, -1 %sh = lshr i32 %not, 31 %r = sub i32 43, %sh ret i32 %r } define <4 x i32> @sub_lshr_not_vec_splat(<4 x i32> %x) { ; CHECK-LABEL: sub_lshr_not_vec_splat: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v1.4s, #41 ; CHECK-NEXT: usra v1.4s, v0.4s, #31 ; CHECK-NEXT: mov v0.16b, v1.16b ; CHECK-NEXT: ret %c = xor <4 x i32> %x, <i32 -1, i32 -1, i32 -1, i32 -1> %e = lshr <4 x i32> %c, <i32 31, i32 31, i32 31, i32 31> %r = sub <4 x i32> <i32 42, i32 42, i32 42, i32 42>, %e ret <4 x i32> %r } define i32 @sub_lshr(i32 %x, i32 %y) { ; CHECK-LABEL: sub_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: add w0, w1, w0, asr #31 ; CHECK-NEXT: ret %sh = lshr i32 %x, 31 %r = sub i32 %y, %sh ret i32 %r } define <4 x i32> @sub_lshr_vec(<4 x i32> %x, <4 x i32> %y) { ; CHECK-LABEL: sub_lshr_vec: ; CHECK: // %bb.0: ; CHECK-NEXT: ssra v1.4s, v0.4s, #31 ; CHECK-NEXT: mov v0.16b, v1.16b ; CHECK-NEXT: ret %sh = lshr <4 x i32> %x, <i32 31, i32 31, i32 31, i32 31> %r = sub <4 x i32> %y, %sh ret <4 x i32> %r } define i32 @sub_const_op_lshr(i32 %x) { ; CHECK-LABEL: sub_const_op_lshr: ; CHECK: // %bb.0: ; CHECK-NEXT: asr w8, w0, #31 ; CHECK-NEXT: add w0, w8, #43 // =43 ; CHECK-NEXT: ret %sh = lshr i32 %x, 31 %r = sub i32 43, %sh ret i32 %r } define <4 x i32> @sub_const_op_lshr_vec(<4 x i32> %x) { ; CHECK-LABEL: sub_const_op_lshr_vec: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v1.4s, #42 ; CHECK-NEXT: ssra v1.4s, v0.4s, #31 ; CHECK-NEXT: mov v0.16b, v1.16b ; CHECK-NEXT: ret %sh = lshr <4 x i32> %x, <i32 31, i32 31, i32 31, i32 31> %r = sub <4 x i32> <i32 42, i32 42, i32 42, i32 42>, %sh ret <4 x i32> %r }