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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mattr=+sve -force-streaming-compatible-sve < %s | FileCheck %s
target triple = "aarch64-unknown-linux-gnu"
; A NEON Q-register mov is not valid in streaming mode, but an SVE Z-register mov is.
define fp128 @test_streaming_compatible_register_mov(fp128 %q0, fp128 %q1) {
; CHECK-LABEL: test_streaming_compatible_register_mov:
; CHECK: // %bb.0:
; CHECK-NEXT: mov z0.d, z1.d
; CHECK-NEXT: ret
ret fp128 %q1
}
; Test that `movi` isn't used (invalid in streaming mode), but fmov or SVE mov instead.
define double @fp_zero_constant() {
; CHECK-LABEL: fp_zero_constant:
; CHECK: // %bb.0:
; CHECK-NEXT: fmov d0, xzr
; CHECK-NEXT: ret
ret double 0.0
}
define <2 x i64> @fixed_vec_zero_constant() {
; CHECK-LABEL: fixed_vec_zero_constant:
; CHECK: // %bb.0:
; CHECK-NEXT: mov z0.d, #0 // =0x0
; CHECK-NEXT: // kill: def $q0 killed $q0 killed $z0
; CHECK-NEXT: ret
ret <2 x i64> zeroinitializer
}
define <2 x double> @fixed_vec_fp_zero_constant() {
; CHECK-LABEL: fixed_vec_fp_zero_constant:
; CHECK: // %bb.0:
; CHECK-NEXT: mov z0.d, #0 // =0x0
; CHECK-NEXT: // kill: def $q0 killed $q0 killed $z0
; CHECK-NEXT: ret
ret <2 x double> <double 0.0, double 0.0>
}
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