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llvm-mirror/test/CodeGen/ARM64/vcvt_n.ll
Tim Northover 2f13163a84 ARM64: initial backend import
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

llvm-svn: 205090
2014-03-29 10:18:08 +00:00

50 lines
2.0 KiB
LLVM

; RUN: llc < %s -march=arm64 -arm64-neon-syntax=apple | FileCheck %s
define <2 x float> @cvtf32fxpu(<2 x i32> %a) nounwind readnone ssp {
; CHECK-LABEL: cvtf32fxpu:
; CHECK: ucvtf.2s v0, v0, #9
; CHECK: ret
%vcvt_n1 = tail call <2 x float> @llvm.arm64.neon.vcvtfxu2fp.v2f32.v2i32(<2 x i32> %a, i32 9)
ret <2 x float> %vcvt_n1
}
define <2 x float> @cvtf32fxps(<2 x i32> %a) nounwind readnone ssp {
; CHECK-LABEL: cvtf32fxps:
; CHECK: scvtf.2s v0, v0, #12
; CHECK: ret
%vcvt_n1 = tail call <2 x float> @llvm.arm64.neon.vcvtfxs2fp.v2f32.v2i32(<2 x i32> %a, i32 12)
ret <2 x float> %vcvt_n1
}
define <4 x float> @cvtqf32fxpu(<4 x i32> %a) nounwind readnone ssp {
; CHECK-LABEL: cvtqf32fxpu:
; CHECK: ucvtf.4s v0, v0, #18
; CHECK: ret
%vcvt_n1 = tail call <4 x float> @llvm.arm64.neon.vcvtfxu2fp.v4f32.v4i32(<4 x i32> %a, i32 18)
ret <4 x float> %vcvt_n1
}
define <4 x float> @cvtqf32fxps(<4 x i32> %a) nounwind readnone ssp {
; CHECK-LABEL: cvtqf32fxps:
; CHECK: scvtf.4s v0, v0, #30
; CHECK: ret
%vcvt_n1 = tail call <4 x float> @llvm.arm64.neon.vcvtfxs2fp.v4f32.v4i32(<4 x i32> %a, i32 30)
ret <4 x float> %vcvt_n1
}
define <2 x double> @f1(<2 x i64> %a) nounwind readnone ssp {
%vcvt_n1 = tail call <2 x double> @llvm.arm64.neon.vcvtfxu2fp.v2f64.v2i64(<2 x i64> %a, i32 12)
ret <2 x double> %vcvt_n1
}
define <2 x double> @f2(<2 x i64> %a) nounwind readnone ssp {
%vcvt_n1 = tail call <2 x double> @llvm.arm64.neon.vcvtfxs2fp.v2f64.v2i64(<2 x i64> %a, i32 9)
ret <2 x double> %vcvt_n1
}
declare <4 x float> @llvm.arm64.neon.vcvtfxu2fp.v4f32.v4i32(<4 x i32>, i32) nounwind readnone
declare <4 x float> @llvm.arm64.neon.vcvtfxs2fp.v4f32.v4i32(<4 x i32>, i32) nounwind readnone
declare <2 x float> @llvm.arm64.neon.vcvtfxu2fp.v2f32.v2i32(<2 x i32>, i32) nounwind readnone
declare <2 x float> @llvm.arm64.neon.vcvtfxs2fp.v2f32.v2i32(<2 x i32>, i32) nounwind readnone
declare <2 x double> @llvm.arm64.neon.vcvtfxu2fp.v2f64.v2i64(<2 x i64>, i32) nounwind readnone
declare <2 x double> @llvm.arm64.neon.vcvtfxs2fp.v2f64.v2i64(<2 x i64>, i32) nounwind readnone