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llvm-mirror/test/CodeGen/AArch64/select-with-and-or.ll
Sanjay Patel 0f5d46fc15 [SDAG] allow partial undef vector constants with select->logic folds
This is an enhancement suggested in the original review/commit:
D97730 / 7fce3322a283
2021-03-02 14:29:15 -05:00

175 lines
5.4 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s
define i1 @and(i32 %x, i32 %y, i32 %z, i32 %w) {
; CHECK-LABEL: and:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp w0, w1
; CHECK-NEXT: cset w8, eq
; CHECK-NEXT: cmp w2, w3
; CHECK-NEXT: cset w9, gt
; CHECK-NEXT: and w0, w8, w9
; CHECK-NEXT: ret
%a = icmp eq i32 %x, %y
%b = icmp sgt i32 %z, %w
%s = select i1 %a, i1 %b, i1 false
ret i1 %s
}
define i1 @or(i32 %x, i32 %y, i32 %z, i32 %w) {
; CHECK-LABEL: or:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp w0, w1
; CHECK-NEXT: cset w8, eq
; CHECK-NEXT: cmp w2, w3
; CHECK-NEXT: cset w9, gt
; CHECK-NEXT: orr w0, w8, w9
; CHECK-NEXT: ret
%a = icmp eq i32 %x, %y
%b = icmp sgt i32 %z, %w
%s = select i1 %a, i1 true, i1 %b
ret i1 %s
}
define i1 @and_not(i32 %x, i32 %y, i32 %z, i32 %w) {
; CHECK-LABEL: and_not:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp w0, w1
; CHECK-NEXT: cset w8, ne
; CHECK-NEXT: cmp w2, w3
; CHECK-NEXT: cset w9, gt
; CHECK-NEXT: and w0, w8, w9
; CHECK-NEXT: ret
%a = icmp eq i32 %x, %y
%b = icmp sgt i32 %z, %w
%s = select i1 %a, i1 false, i1 %b
ret i1 %s
}
define i1 @or_not(i32 %x, i32 %y, i32 %z, i32 %w) {
; CHECK-LABEL: or_not:
; CHECK: // %bb.0:
; CHECK-NEXT: cmp w0, w1
; CHECK-NEXT: cset w8, ne
; CHECK-NEXT: cmp w2, w3
; CHECK-NEXT: cset w9, gt
; CHECK-NEXT: orr w0, w8, w9
; CHECK-NEXT: ret
%a = icmp eq i32 %x, %y
%b = icmp sgt i32 %z, %w
%s = select i1 %a, i1 %b, i1 true
ret i1 %s
}
define <4 x i1> @and_vec(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z, <4 x i32> %w) {
; CHECK-LABEL: and_vec:
; CHECK: // %bb.0:
; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s
; CHECK-NEXT: cmgt v1.4s, v2.4s, v3.4s
; CHECK-NEXT: and v0.16b, v0.16b, v1.16b
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: ret
%a = icmp eq <4 x i32> %x, %y
%b = icmp sgt <4 x i32> %z, %w
%s = select <4 x i1> %a, <4 x i1> %b, <4 x i1> zeroinitializer
ret <4 x i1> %s
}
define <4 x i1> @or_vec(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z, <4 x i32> %w) {
; CHECK-LABEL: or_vec:
; CHECK: // %bb.0:
; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s
; CHECK-NEXT: cmgt v1.4s, v2.4s, v3.4s
; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: ret
%a = icmp eq <4 x i32> %x, %y
%b = icmp sgt <4 x i32> %z, %w
%s = select <4 x i1> %a, <4 x i1> <i1 1, i1 1, i1 1, i1 1>, <4 x i1> %b
ret <4 x i1> %s
}
define <4 x i1> @and_not_vec(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z, <4 x i32> %w) {
; CHECK-LABEL: and_not_vec:
; CHECK: // %bb.0:
; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s
; CHECK-NEXT: cmgt v1.4s, v2.4s, v3.4s
; CHECK-NEXT: bic v0.16b, v1.16b, v0.16b
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: ret
%a = icmp eq <4 x i32> %x, %y
%b = icmp sgt <4 x i32> %z, %w
%s = select <4 x i1> %a, <4 x i1> zeroinitializer, <4 x i1> %b
ret <4 x i1> %s
}
define <4 x i1> @or_not_vec(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z, <4 x i32> %w) {
; CHECK-LABEL: or_not_vec:
; CHECK: // %bb.0:
; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s
; CHECK-NEXT: cmgt v1.4s, v2.4s, v3.4s
; CHECK-NEXT: orn v0.16b, v1.16b, v0.16b
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: ret
%a = icmp eq <4 x i32> %x, %y
%b = icmp sgt <4 x i32> %z, %w
%s = select <4 x i1> %a, <4 x i1> %b, <4 x i1> <i1 1, i1 1, i1 1, i1 1>
ret <4 x i1> %s
}
define <4 x i1> @and_vec_undef(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z, <4 x i32> %w) {
; CHECK-LABEL: and_vec_undef:
; CHECK: // %bb.0:
; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s
; CHECK-NEXT: cmgt v1.4s, v2.4s, v3.4s
; CHECK-NEXT: and v0.16b, v0.16b, v1.16b
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: ret
%a = icmp eq <4 x i32> %x, %y
%b = icmp sgt <4 x i32> %z, %w
%s = select <4 x i1> %a, <4 x i1> %b, <4 x i1> <i1 0, i1 undef, i1 0, i1 undef>
ret <4 x i1> %s
}
define <4 x i1> @or_vec_undef(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z, <4 x i32> %w) {
; CHECK-LABEL: or_vec_undef:
; CHECK: // %bb.0:
; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s
; CHECK-NEXT: cmgt v1.4s, v2.4s, v3.4s
; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: ret
%a = icmp eq <4 x i32> %x, %y
%b = icmp sgt <4 x i32> %z, %w
%s = select <4 x i1> %a, <4 x i1> <i1 undef, i1 1, i1 1, i1 undef>, <4 x i1> %b
ret <4 x i1> %s
}
define <4 x i1> @and_not_vec_undef(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z, <4 x i32> %w) {
; CHECK-LABEL: and_not_vec_undef:
; CHECK: // %bb.0:
; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s
; CHECK-NEXT: cmgt v1.4s, v2.4s, v3.4s
; CHECK-NEXT: bic v0.16b, v1.16b, v0.16b
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: ret
%a = icmp eq <4 x i32> %x, %y
%b = icmp sgt <4 x i32> %z, %w
%s = select <4 x i1> %a, <4 x i1> <i1 0, i1 0, i1 undef, i1 0>, <4 x i1> %b
ret <4 x i1> %s
}
define <4 x i1> @or_not_vec_undef(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z, <4 x i32> %w) {
; CHECK-LABEL: or_not_vec_undef:
; CHECK: // %bb.0:
; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s
; CHECK-NEXT: cmgt v1.4s, v2.4s, v3.4s
; CHECK-NEXT: orn v0.16b, v1.16b, v0.16b
; CHECK-NEXT: xtn v0.4h, v0.4s
; CHECK-NEXT: ret
%a = icmp eq <4 x i32> %x, %y
%b = icmp sgt <4 x i32> %z, %w
%s = select <4 x i1> %a, <4 x i1> %b, <4 x i1> <i1 1, i1 undef, i1 1, i1 1>
ret <4 x i1> %s
}