From a1ae7e373479187c00cfcfc6a8eabaf9e4370bcc Mon Sep 17 00:00:00 2001
From: David Green <david.green@arm.com>
Date: Tue, 3 Sep 2019 10:32:46 +0000
Subject: [PATCH] [ARM] Add csel tests. NFC

llvm-svn: 370738
---
 llvm/test/CodeGen/Thumb2/csel.ll | 390 +++++++++++++++++++++++++++++++
 1 file changed, 390 insertions(+)
 create mode 100644 llvm/test/CodeGen/Thumb2/csel.ll

diff --git a/llvm/test/CodeGen/Thumb2/csel.ll b/llvm/test/CodeGen/Thumb2/csel.ll
new file mode 100644
index 000000000000..256dd18e279e
--- /dev/null
+++ b/llvm/test/CodeGen/Thumb2/csel.ll
@@ -0,0 +1,390 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi %s -verify-machineinstrs -o - | FileCheck %s
+
+define i32 @csinc_const_65(i32 %a) {
+; CHECK-LABEL: csinc_const_65:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    movs r1, #5
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    movgt r1, #6
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %spec.select = select i1 %cmp, i32 6, i32 5
+  ret i32 %spec.select
+}
+
+define i32 @csinc_const_56(i32 %a) {
+; CHECK-LABEL: csinc_const_56:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    movs r1, #6
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    movgt r1, #5
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %spec.select = select i1 %cmp, i32 5, i32 6
+  ret i32 %spec.select
+}
+
+define i32 @csinc_const_zext(i32 %a) {
+; CHECK-LABEL: csinc_const_zext:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    movs r1, #0
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    movgt r1, #1
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %spec.select = zext i1 %cmp to i32
+  ret i32 %spec.select
+}
+
+define i32 @csinv_const_56(i32 %a) {
+; CHECK-LABEL: csinv_const_56:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    movs r1, #5
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    mvngt r1, #5
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %spec.select = select i1 %cmp, i32 -6, i32 5
+  ret i32 %spec.select
+}
+
+define i32 @csinv_const_65(i32 %a) {
+; CHECK-LABEL: csinv_const_65:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    mvn r1, #5
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    movgt r1, #5
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %spec.select = select i1 %cmp, i32 5, i32 -6
+  ret i32 %spec.select
+}
+
+define i32 @csinv_const_sext(i32 %a) {
+; CHECK-LABEL: csinv_const_sext:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    movs r1, #0
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    movgt.w r1, #-1
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %spec.select = sext i1 %cmp to i32
+  ret i32 %spec.select
+}
+
+define i32 @csneg_const(i32 %a) {
+; CHECK-LABEL: csneg_const:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    mov.w r1, #-1
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    movgt r1, #1
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %spec.select = select i1 %cmp, i32 1, i32 -1
+  ret i32 %spec.select
+}
+
+define i32 @csneg_const_r(i32 %a) {
+; CHECK-LABEL: csneg_const_r:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    movs r1, #1
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    movgt.w r1, #-1
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %spec.select = select i1 %cmp, i32 -1, i32 1
+  ret i32 %spec.select
+}
+
+define i32 @csel_var(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csel_var:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it le
+; CHECK-NEXT:    movle r1, r2
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %spec.select = select i1 %cmp, i32 %b, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csinc_var(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csinc_var:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it le
+; CHECK-NEXT:    addle r1, r2, #1
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %cplus1 = add nsw i32 %c, 1
+  %spec.select = select i1 %cmp, i32 %b, i32 %cplus1
+  ret i32 %spec.select
+}
+
+define i32 @csinc_swap_var(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csinc_swap_var:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    addgt r2, r1, #1
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %bplus1 = add nsw i32 %b, 1
+  %spec.select = select i1 %cmp, i32 %bplus1, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csinv_var(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csinv_var:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it le
+; CHECK-NEXT:    mvnle r1, r2
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %cinv = xor i32 %c, -1
+  %spec.select = select i1 %cmp, i32 %b, i32 %cinv
+  ret i32 %spec.select
+}
+
+define i32 @csinv_swap_var(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csinv_swap_var:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    mvngt r2, r1
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %binv = xor i32 %b, -1
+  %spec.select = select i1 %cmp, i32 %binv, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_var(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_var:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it le
+; CHECK-NEXT:    rsble r1, r2, #0
+; CHECK-NEXT:    mov r0, r1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %cneg = sub i32 0, %c
+  %spec.select = select i1 %cmp, i32 %b, i32 %cneg
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_sgt(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_sgt:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    rsbgt r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_sge(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_sge:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #44
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    rsbgt r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sge i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_sle(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_sle:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #46
+; CHECK-NEXT:    it lt
+; CHECK-NEXT:    rsblt r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sle i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_slt(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_slt:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it lt
+; CHECK-NEXT:    rsblt r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp slt i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_ugt(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_ugt:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it hi
+; CHECK-NEXT:    rsbhi r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp ugt i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_uge(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_uge:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #44
+; CHECK-NEXT:    it hi
+; CHECK-NEXT:    rsbhi r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp uge i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_ule(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_ule:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #46
+; CHECK-NEXT:    it lo
+; CHECK-NEXT:    rsblo r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp ule i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_ult(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_ult:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it lo
+; CHECK-NEXT:    rsblo r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp ult i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_ne(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_ne:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it eq
+; CHECK-NEXT:    rsbeq r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp eq i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csneg_swap_var_eq(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: csneg_swap_var_eq:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #45
+; CHECK-NEXT:    it ne
+; CHECK-NEXT:    rsbne r2, r1, #0
+; CHECK-NEXT:    mov r0, r2
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp ne i32 %a, 45
+  %bneg = sub i32 0, %b
+  %spec.select = select i1 %cmp, i32 %bneg, i32 %c
+  ret i32 %spec.select
+}
+
+define i32 @csinc_inplace(i32 %a, i32 %b) {
+; CHECK-LABEL: csinc_inplace:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r1, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    addgt r0, #1
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %b, 45
+  %inc = zext i1 %cmp to i32
+  %spec.select = add nsw i32 %inc, %a
+  ret i32 %spec.select
+}
+
+define i32 @csinv_inplace(i32 %a, i32 %b) {
+; CHECK-LABEL: csinv_inplace:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r1, #45
+; CHECK-NEXT:    it gt
+; CHECK-NEXT:    mvngt r0, r0
+; CHECK-NEXT:    bx lr
+entry:
+  %cmp = icmp sgt i32 %b, 45
+  %sub = sext i1 %cmp to i32
+  %xor = xor i32 %sub, %a
+  ret i32 %xor
+}
+