; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s ; Odd divisor define <4 x i32> @test_urem_odd_25(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_odd_25: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #23593 ; CHECK-NEXT: movk w8, #49807, lsl #16 ; CHECK-NEXT: movi v2.4s, #1 ; CHECK-NEXT: dup v1.4s, w8 ; CHECK-NEXT: mov w8, #28835 ; CHECK-NEXT: movk w8, #2621, lsl #16 ; CHECK-NEXT: mul v0.4s, v0.4s, v1.4s ; CHECK-NEXT: dup v1.4s, w8 ; CHECK-NEXT: cmhs v0.4s, v1.4s, v0.4s ; CHECK-NEXT: and v0.16b, v0.16b, v2.16b ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 25, i32 25, i32 25, i32 25> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 0, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } ; Even divisors define <4 x i32> @test_urem_even_100(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_even_100: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #23593 ; CHECK-NEXT: movk w8, #49807, lsl #16 ; CHECK-NEXT: movi v3.4s, #1 ; CHECK-NEXT: dup v1.4s, w8 ; CHECK-NEXT: mov w8, #23592 ; CHECK-NEXT: movk w8, #655, lsl #16 ; CHECK-NEXT: mul v0.4s, v0.4s, v1.4s ; CHECK-NEXT: dup v2.4s, w8 ; CHECK-NEXT: shl v1.4s, v0.4s, #30 ; CHECK-NEXT: ushr v0.4s, v0.4s, #2 ; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b ; CHECK-NEXT: cmhs v0.4s, v2.4s, v0.4s ; CHECK-NEXT: and v0.16b, v0.16b, v3.16b ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 100, i32 100, i32 100, i32 100> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 0, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } ; Negative divisors should be negated, and thus this is still splat vectors. ; Odd divisor define <4 x i32> @test_urem_odd_neg25(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_odd_neg25: ; CHECK: // %bb.0: ; CHECK-NEXT: adrp x8, .LCPI2_0 ; CHECK-NEXT: movi v2.4s, #1 ; CHECK-NEXT: ldr q1, [x8, :lo12:.LCPI2_0] ; CHECK-NEXT: adrp x8, .LCPI2_1 ; CHECK-NEXT: mul v0.4s, v0.4s, v1.4s ; CHECK-NEXT: ldr q1, [x8, :lo12:.LCPI2_1] ; CHECK-NEXT: cmhs v0.4s, v1.4s, v0.4s ; CHECK-NEXT: and v0.16b, v0.16b, v2.16b ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 25, i32 -25, i32 -25, i32 25> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 0, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } ; Even divisors define <4 x i32> @test_urem_even_neg100(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_even_neg100: ; CHECK: // %bb.0: ; CHECK-NEXT: adrp x8, .LCPI3_0 ; CHECK-NEXT: movi v3.4s, #1 ; CHECK-NEXT: ldr q1, [x8, :lo12:.LCPI3_0] ; CHECK-NEXT: adrp x8, .LCPI3_1 ; CHECK-NEXT: mul v0.4s, v0.4s, v1.4s ; CHECK-NEXT: ldr q2, [x8, :lo12:.LCPI3_1] ; CHECK-NEXT: shl v1.4s, v0.4s, #30 ; CHECK-NEXT: ushr v0.4s, v0.4s, #2 ; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b ; CHECK-NEXT: cmhs v0.4s, v2.4s, v0.4s ; CHECK-NEXT: and v0.16b, v0.16b, v3.16b ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 -100, i32 100, i32 -100, i32 100> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 0, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } ;------------------------------------------------------------------------------; ; Comparison constant has undef elements. ;------------------------------------------------------------------------------; define <4 x i32> @test_urem_odd_undef1(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_odd_undef1: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #34079 ; CHECK-NEXT: movk w8, #20971, lsl #16 ; CHECK-NEXT: dup v1.4s, w8 ; CHECK-NEXT: umull2 v2.2d, v0.4s, v1.4s ; CHECK-NEXT: umull v1.2d, v0.2s, v1.2s ; CHECK-NEXT: uzp2 v1.4s, v1.4s, v2.4s ; CHECK-NEXT: movi v2.4s, #25 ; CHECK-NEXT: ushr v1.4s, v1.4s, #3 ; CHECK-NEXT: mls v0.4s, v1.4s, v2.4s ; CHECK-NEXT: movi v1.4s, #1 ; CHECK-NEXT: cmeq v0.4s, v0.4s, #0 ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 25, i32 25, i32 25, i32 25> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 undef, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } define <4 x i32> @test_urem_even_undef1(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_even_undef1: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #34079 ; CHECK-NEXT: movk w8, #20971, lsl #16 ; CHECK-NEXT: dup v1.4s, w8 ; CHECK-NEXT: umull2 v2.2d, v0.4s, v1.4s ; CHECK-NEXT: umull v1.2d, v0.2s, v1.2s ; CHECK-NEXT: uzp2 v1.4s, v1.4s, v2.4s ; CHECK-NEXT: movi v2.4s, #100 ; CHECK-NEXT: ushr v1.4s, v1.4s, #5 ; CHECK-NEXT: mls v0.4s, v1.4s, v2.4s ; CHECK-NEXT: movi v1.4s, #1 ; CHECK-NEXT: cmeq v0.4s, v0.4s, #0 ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 100, i32 100, i32 100, i32 100> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 undef, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } ;------------------------------------------------------------------------------; ; Negative tests ;------------------------------------------------------------------------------; define <4 x i32> @test_urem_one_eq(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_one_eq: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v0.4s, #1 ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 1, i32 1, i32 1, i32 1> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 0, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } define <4 x i32> @test_urem_one_ne(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_one_ne: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v0.2d, #0000000000000000 ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 1, i32 1, i32 1, i32 1> %cmp = icmp ne <4 x i32> %urem, <i32 0, i32 0, i32 0, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } ; We can lower remainder of division by powers of two much better elsewhere. define <4 x i32> @test_urem_pow2(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_pow2: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v1.4s, #15 ; CHECK-NEXT: movi v2.4s, #1 ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b ; CHECK-NEXT: cmeq v0.4s, v0.4s, #0 ; CHECK-NEXT: and v0.16b, v0.16b, v2.16b ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 16, i32 16, i32 16, i32 16> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 0, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } ; We could lower remainder of division by INT_MIN much better elsewhere. define <4 x i32> @test_urem_int_min(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_int_min: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v1.4s, #1 ; CHECK-NEXT: bic v0.4s, #128, lsl #24 ; CHECK-NEXT: cmeq v0.4s, v0.4s, #0 ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 2147483648, i32 2147483648, i32 2147483648, i32 2147483648> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 0, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret } ; We could lower remainder of division by all-ones much better elsewhere. define <4 x i32> @test_urem_allones(<4 x i32> %X) nounwind { ; CHECK-LABEL: test_urem_allones: ; CHECK: // %bb.0: ; CHECK-NEXT: movi v1.4s, #1 ; CHECK-NEXT: neg v0.4s, v0.4s ; CHECK-NEXT: cmhs v0.4s, v1.4s, v0.4s ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b ; CHECK-NEXT: ret %urem = urem <4 x i32> %X, <i32 4294967295, i32 4294967295, i32 4294967295, i32 4294967295> %cmp = icmp eq <4 x i32> %urem, <i32 0, i32 0, i32 0, i32 0> %ret = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %ret }