mirror of
https://github.com/RPCS3/llvm-mirror.git
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fbac53e1e4
Combine sub 0, csinc X, Y, CC to csinv -X, Y, CC providing that the negation of X is cheap, currently just handling constants. This comes up during the splat of an i1 to a predicate, where we now generate csetm, as opposed to cset; rsb. Differential Revision: https://reviews.llvm.org/D99940
223 lines
7.1 KiB
LLVM
223 lines
7.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve -verify-machineinstrs %s -o - | FileCheck %s
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define arm_aapcs_vfpcc <4 x i32> @build_var0_v4i1(i32 %s, i32 %t, <4 x i32> %a, <4 x i32> %b) {
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; CHECK-LABEL: build_var0_v4i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: mov.w r1, #0
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: bfi r1, r0, #0, #4
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; CHECK-NEXT: vmsr p0, r1
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; CHECK-NEXT: vpsel q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc = insertelement <4 x i1> zeroinitializer, i1 %c, i64 0
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%r = select <4 x i1> %vc, <4 x i32> %a, <4 x i32> %b
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ret <4 x i32> %r
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}
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define arm_aapcs_vfpcc <4 x i32> @build_var3_v4i1(i32 %s, i32 %t, <4 x i32> %a, <4 x i32> %b) {
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; CHECK-LABEL: build_var3_v4i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: mov.w r1, #0
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: bfi r1, r0, #12, #4
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; CHECK-NEXT: vmsr p0, r1
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; CHECK-NEXT: vpsel q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc = insertelement <4 x i1> zeroinitializer, i1 %c, i64 3
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%r = select <4 x i1> %vc, <4 x i32> %a, <4 x i32> %b
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ret <4 x i32> %r
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}
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define arm_aapcs_vfpcc <4 x i32> @build_varN_v4i1(i32 %s, i32 %t, <4 x i32> %a, <4 x i32> %b) {
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; CHECK-LABEL: build_varN_v4i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: vmsr p0, r0
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; CHECK-NEXT: vpsel q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc1 = insertelement <4 x i1> undef, i1 %c, i64 0
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%vc4 = shufflevector <4 x i1> %vc1, <4 x i1> undef, <4 x i32> zeroinitializer
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%r = select <4 x i1> %vc4, <4 x i32> %a, <4 x i32> %b
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ret <4 x i32> %r
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}
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define arm_aapcs_vfpcc <8 x i16> @build_var0_v8i1(i32 %s, i32 %t, <8 x i16> %a, <8 x i16> %b) {
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; CHECK-LABEL: build_var0_v8i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: mov.w r1, #0
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: bfi r1, r0, #0, #2
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; CHECK-NEXT: vmsr p0, r1
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; CHECK-NEXT: vpsel q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc = insertelement <8 x i1> zeroinitializer, i1 %c, i64 0
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%r = select <8 x i1> %vc, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %r
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}
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define arm_aapcs_vfpcc <8 x i16> @build_var3_v8i1(i32 %s, i32 %t, <8 x i16> %a, <8 x i16> %b) {
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; CHECK-LABEL: build_var3_v8i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: mov.w r1, #0
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: bfi r1, r0, #6, #2
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; CHECK-NEXT: vmsr p0, r1
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; CHECK-NEXT: vpsel q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc = insertelement <8 x i1> zeroinitializer, i1 %c, i64 3
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%r = select <8 x i1> %vc, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %r
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}
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define arm_aapcs_vfpcc <8 x i16> @build_varN_v8i1(i32 %s, i32 %t, <8 x i16> %a, <8 x i16> %b) {
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; CHECK-LABEL: build_varN_v8i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: vmsr p0, r0
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; CHECK-NEXT: vpsel q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc1 = insertelement <8 x i1> undef, i1 %c, i64 0
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%vc4 = shufflevector <8 x i1> %vc1, <8 x i1> undef, <8 x i32> zeroinitializer
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%r = select <8 x i1> %vc4, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %r
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}
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define arm_aapcs_vfpcc <16 x i8> @build_var0_v16i1(i32 %s, i32 %t, <16 x i8> %a, <16 x i8> %b) {
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; CHECK-LABEL: build_var0_v16i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: mov.w r1, #0
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: bfi r1, r0, #0, #1
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; CHECK-NEXT: vmsr p0, r1
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; CHECK-NEXT: vpsel q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc = insertelement <16 x i1> zeroinitializer, i1 %c, i64 0
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%r = select <16 x i1> %vc, <16 x i8> %a, <16 x i8> %b
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ret <16 x i8> %r
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}
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define arm_aapcs_vfpcc <16 x i8> @build_var3_v16i1(i32 %s, i32 %t, <16 x i8> %a, <16 x i8> %b) {
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; CHECK-LABEL: build_var3_v16i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: mov.w r1, #0
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: bfi r1, r0, #3, #1
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; CHECK-NEXT: vmsr p0, r1
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; CHECK-NEXT: vpsel q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc = insertelement <16 x i1> zeroinitializer, i1 %c, i64 3
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%r = select <16 x i1> %vc, <16 x i8> %a, <16 x i8> %b
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ret <16 x i8> %r
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}
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define arm_aapcs_vfpcc <16 x i8> @build_varN_v16i1(i32 %s, i32 %t, <16 x i8> %a, <16 x i8> %b) {
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; CHECK-LABEL: build_varN_v16i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: vmsr p0, r0
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; CHECK-NEXT: vpsel q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc1 = insertelement <16 x i1> undef, i1 %c, i64 0
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%vc4 = shufflevector <16 x i1> %vc1, <16 x i1> undef, <16 x i32> zeroinitializer
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%r = select <16 x i1> %vc4, <16 x i8> %a, <16 x i8> %b
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ret <16 x i8> %r
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}
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define arm_aapcs_vfpcc <2 x i64> @build_var0_v2i1(i32 %s, i32 %t, <2 x i64> %a, <2 x i64> %b) {
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; CHECK-LABEL: build_var0_v2i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: vmov s8, r0
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; CHECK-NEXT: vldr s10, .LCPI9_0
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; CHECK-NEXT: vmov.f32 s9, s8
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; CHECK-NEXT: vmov.f32 s11, s10
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; CHECK-NEXT: vbic q1, q1, q2
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; CHECK-NEXT: vand q0, q0, q2
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; CHECK-NEXT: vorr q0, q0, q1
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; CHECK-NEXT: bx lr
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: @ %bb.1:
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; CHECK-NEXT: .LCPI9_0:
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; CHECK-NEXT: .long 0x00000000 @ float 0
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entry:
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%c = icmp ult i32 %s, %t
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%vc = insertelement <2 x i1> zeroinitializer, i1 %c, i64 0
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%r = select <2 x i1> %vc, <2 x i64> %a, <2 x i64> %b
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ret <2 x i64> %r
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}
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define arm_aapcs_vfpcc <2 x i64> @build_var1_v2i1(i32 %s, i32 %t, <2 x i64> %a, <2 x i64> %b) {
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; CHECK-LABEL: build_var1_v2i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: vmov s10, r0
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; CHECK-NEXT: vldr s8, .LCPI10_0
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; CHECK-NEXT: vmov.f32 s9, s8
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; CHECK-NEXT: vmov.f32 s11, s10
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; CHECK-NEXT: vbic q1, q1, q2
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; CHECK-NEXT: vand q0, q0, q2
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; CHECK-NEXT: vorr q0, q0, q1
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; CHECK-NEXT: bx lr
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: @ %bb.1:
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; CHECK-NEXT: .LCPI10_0:
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; CHECK-NEXT: .long 0x00000000 @ float 0
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entry:
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%c = icmp ult i32 %s, %t
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%vc = insertelement <2 x i1> zeroinitializer, i1 %c, i64 1
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%r = select <2 x i1> %vc, <2 x i64> %a, <2 x i64> %b
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ret <2 x i64> %r
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}
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define arm_aapcs_vfpcc <2 x i64> @build_varN_v2i1(i32 %s, i32 %t, <2 x i64> %a, <2 x i64> %b) {
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; CHECK-LABEL: build_varN_v2i1:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r0, r1
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; CHECK-NEXT: csetm r0, lo
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; CHECK-NEXT: vdup.32 q2, r0
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; CHECK-NEXT: vbic q1, q1, q2
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; CHECK-NEXT: vand q0, q0, q2
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; CHECK-NEXT: vorr q0, q0, q1
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; CHECK-NEXT: bx lr
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entry:
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%c = icmp ult i32 %s, %t
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%vc1 = insertelement <2 x i1> undef, i1 %c, i64 0
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%vc4 = shufflevector <2 x i1> %vc1, <2 x i1> undef, <2 x i32> zeroinitializer
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%r = select <2 x i1> %vc4, <2 x i64> %a, <2 x i64> %b
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ret <2 x i64> %r
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}
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