xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/arm64-fast-isel-noconvert.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: llc -O0 -verify-machineinstrs -mtriple=aarch64-apple-ios < %s | FileCheck %s

; Fast-isel can't do vector conversions yet, but it was emitting some highly
; suspect UCVTFUWDri MachineInstrs.
define <4 x float> @test_uitofp(<4 x i32> %in) {
; CHECK-LABEL: test_uitofp:
; CHECK: ucvtf.4s v0, v0

  %res = uitofp <4 x i32> %in to <4 x float>
  ret <4 x float> %res
}

define <2 x double> @test_sitofp(<2 x i32> %in) {
; CHECK-LABEL: test_sitofp:
; CHECK: sshll.2d [[EXT:v[0-9]+]], v0, #0
; CHECK: scvtf.2d v0, [[EXT]]

  %res = sitofp <2 x i32> %in to <2 x double>
  ret <2 x double> %res
}

define <2 x i32> @test_fptoui(<2 x float> %in) {
; CHECK-LABEL: test_fptoui:
; CHECK: fcvtzu.2s v0, v0

  %res = fptoui <2 x float> %in to <2 x i32>
  ret <2 x i32> %res
}

define <2 x i64> @test_fptosi(<2 x double> %in) {
; CHECK-LABEL: test_fptosi:
; CHECK: fcvtzs.2d v0, v0

  %res = fptosi <2 x double> %in to <2 x i64>
  ret <2 x i64> %res
}

define fp128 @uitofp_i32_fp128(i32 %a) {
entry:
; CHECK-LABEL: uitofp_i32_fp128
; CHECK: bl ___floatunsitf
  %conv = uitofp i32 %a to fp128
  ret fp128 %conv
}

define fp128 @uitofp_i64_fp128(i64 %a) {
entry:
; CHECK-LABEL: uitofp_i64_fp128
; CHECK: bl ___floatunditf
  %conv = uitofp i64 %a to fp128
  ret fp128 %conv
}

define i32 @uitofp_fp128_i32(fp128 %a) {
entry:
; CHECK-LABEL: uitofp_fp128_i32
; CHECK: ___fixunstfsi
  %conv = fptoui fp128 %a to i32
  ret i32 %conv
}

define i64 @uitofp_fp128_i64(fp128 %a) {
entry:
; CHECK-LABEL: uitofp_fp128_i64
; CHECK: ___fixunstfdi
  %conv = fptoui fp128 %a to i64
  ret i64 %conv
}