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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/unfold-masked-merge-vector-variablemask-const.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s
; ============================================================================ ;
; Various cases with %x and/or %y being a constant
; ============================================================================ ;
define <4 x i32> @out_constant_varx_mone(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: out_constant_varx_mone:
; CHECK: // %bb.0:
; CHECK-NEXT: and v0.16b, v2.16b, v0.16b
; CHECK-NEXT: orn v0.16b, v0.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%mx = and <4 x i32> %mask, %x
%my = and <4 x i32> %notmask, <i32 -1, i32 -1, i32 -1, i32 -1>
%r = or <4 x i32> %mx, %my
ret <4 x i32> %r
}
define <4 x i32> @in_constant_varx_mone(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: in_constant_varx_mone:
; CHECK: // %bb.0:
; CHECK-NEXT: bic v0.16b, v2.16b, v0.16b
; CHECK-NEXT: mvn v0.16b, v0.16b
; CHECK-NEXT: ret
%n0 = xor <4 x i32> %x, <i32 -1, i32 -1, i32 -1, i32 -1> ; %x
%n1 = and <4 x i32> %n0, %mask
%r = xor <4 x i32> %n1, <i32 -1, i32 -1, i32 -1, i32 -1>
ret <4 x i32> %r
}
; This is not a canonical form. Testing for completeness only.
define <4 x i32> @out_constant_varx_mone_invmask(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: out_constant_varx_mone_invmask:
; CHECK: // %bb.0:
; CHECK-NEXT: orr v0.16b, v0.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%mx = and <4 x i32> %notmask, %x
%my = and <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%r = or <4 x i32> %mx, %my
ret <4 x i32> %r
}
; This is not a canonical form. Testing for completeness only.
define <4 x i32> @in_constant_varx_mone_invmask(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: in_constant_varx_mone_invmask:
; CHECK: // %bb.0:
; CHECK-NEXT: mvn v0.16b, v0.16b
; CHECK-NEXT: bic v0.16b, v0.16b, v2.16b
; CHECK-NEXT: mvn v0.16b, v0.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%n0 = xor <4 x i32> %x, <i32 -1, i32 -1, i32 -1, i32 -1> ; %x
%n1 = and <4 x i32> %n0, %notmask
%r = xor <4 x i32> %n1, <i32 -1, i32 -1, i32 -1, i32 -1>
ret <4 x i32> %r
}
define <4 x i32> @out_constant_varx_42(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: out_constant_varx_42:
; CHECK: // %bb.0:
; CHECK-NEXT: movi v1.4s, #42
; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%mx = and <4 x i32> %mask, %x
%my = and <4 x i32> %notmask, <i32 42, i32 42, i32 42, i32 42>
%r = or <4 x i32> %mx, %my
ret <4 x i32> %r
}
define <4 x i32> @in_constant_varx_42(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: in_constant_varx_42:
; CHECK: // %bb.0:
; CHECK-NEXT: movi v1.4s, #42
; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%n0 = xor <4 x i32> %x, <i32 42, i32 42, i32 42, i32 42> ; %x
%n1 = and <4 x i32> %n0, %mask
%r = xor <4 x i32> %n1, <i32 42, i32 42, i32 42, i32 42>
ret <4 x i32> %r
}
; This is not a canonical form. Testing for completeness only.
define <4 x i32> @out_constant_varx_42_invmask(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: out_constant_varx_42_invmask:
; CHECK: // %bb.0:
; CHECK-NEXT: movi v1.4s, #42
; CHECK-NEXT: bit v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%mx = and <4 x i32> %notmask, %x
%my = and <4 x i32> %mask, <i32 42, i32 42, i32 42, i32 42>
%r = or <4 x i32> %mx, %my
ret <4 x i32> %r
}
; This is not a canonical form. Testing for completeness only.
define <4 x i32> @in_constant_varx_42_invmask(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: in_constant_varx_42_invmask:
; CHECK: // %bb.0:
; CHECK-NEXT: movi v1.4s, #42
; CHECK-NEXT: bit v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%n0 = xor <4 x i32> %x, <i32 42, i32 42, i32 42, i32 42> ; %x
%n1 = and <4 x i32> %n0, %notmask
%r = xor <4 x i32> %n1, <i32 42, i32 42, i32 42, i32 42>
ret <4 x i32> %r
}
define <4 x i32> @out_constant_mone_vary(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: out_constant_mone_vary:
; CHECK: // %bb.0:
; CHECK-NEXT: orr v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%mx = and <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%my = and <4 x i32> %notmask, %y
%r = or <4 x i32> %mx, %my
ret <4 x i32> %r
}
define <4 x i32> @in_constant_mone_vary(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: in_constant_mone_vary:
; CHECK: // %bb.0:
; CHECK-NEXT: orr v0.16b, v2.16b, v1.16b
; CHECK-NEXT: ret
%n0 = xor <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, %y ; %x
%n1 = and <4 x i32> %n0, %mask
%r = xor <4 x i32> %n1, %y
ret <4 x i32> %r
}
; This is not a canonical form. Testing for completeness only.
define <4 x i32> @out_constant_mone_vary_invmask(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: out_constant_mone_vary_invmask:
; CHECK: // %bb.0:
; CHECK-NEXT: and v0.16b, v2.16b, v1.16b
; CHECK-NEXT: orn v0.16b, v0.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%mx = and <4 x i32> %notmask, <i32 -1, i32 -1, i32 -1, i32 -1>
%my = and <4 x i32> %mask, %y
%r = or <4 x i32> %mx, %my
ret <4 x i32> %r
}
; This is not a canonical form. Testing for completeness only.
define <4 x i32> @in_constant_mone_vary_invmask(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: in_constant_mone_vary_invmask:
; CHECK: // %bb.0:
; CHECK-NEXT: orn v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%n0 = xor <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, %y ; %x
%n1 = and <4 x i32> %n0, %notmask
%r = xor <4 x i32> %n1, %y
ret <4 x i32> %r
}
define <4 x i32> @out_constant_42_vary(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: out_constant_42_vary:
; CHECK: // %bb.0:
; CHECK-NEXT: movi v0.4s, #42
; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%mx = and <4 x i32> %mask, <i32 42, i32 42, i32 42, i32 42>
%my = and <4 x i32> %notmask, %y
%r = or <4 x i32> %mx, %my
ret <4 x i32> %r
}
define <4 x i32> @in_constant_42_vary(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: in_constant_42_vary:
; CHECK: // %bb.0:
; CHECK-NEXT: movi v0.4s, #42
; CHECK-NEXT: bif v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%n0 = xor <4 x i32> <i32 42, i32 42, i32 42, i32 42>, %y ; %x
%n1 = and <4 x i32> %n0, %mask
%r = xor <4 x i32> %n1, %y
ret <4 x i32> %r
}
; This is not a canonical form. Testing for completeness only.
define <4 x i32> @out_constant_42_vary_invmask(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: out_constant_42_vary_invmask:
; CHECK: // %bb.0:
; CHECK-NEXT: movi v0.4s, #42
; CHECK-NEXT: bit v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%mx = and <4 x i32> %notmask, <i32 42, i32 42, i32 42, i32 42>
%my = and <4 x i32> %mask, %y
%r = or <4 x i32> %mx, %my
ret <4 x i32> %r
}
; This is not a canonical form. Testing for completeness only.
define <4 x i32> @in_constant_42_vary_invmask(<4 x i32> %x, <4 x i32> %y, <4 x i32> %mask) {
; CHECK-LABEL: in_constant_42_vary_invmask:
; CHECK: // %bb.0:
; CHECK-NEXT: movi v0.4s, #42
; CHECK-NEXT: bit v0.16b, v1.16b, v2.16b
; CHECK-NEXT: ret
%notmask = xor <4 x i32> %mask, <i32 -1, i32 -1, i32 -1, i32 -1>
%n0 = xor <4 x i32> <i32 42, i32 42, i32 42, i32 42>, %y ; %x
%n1 = and <4 x i32> %n0, %notmask
%r = xor <4 x i32> %n1, %y
ret <4 x i32> %r
}
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