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llvm-mirror/test/CodeGen/AArch64/lrint-conv-fp16-win.ll
Adhemerval Zanella 37549aa093 AArch64] Handle ISD::LRINT and ISD::LLRINT for float16
This patch is a follow up for D62018 to add lrint/llrint
support for float16.

Reviewed By: SjoerdMeijer

Differential Revision: https://reviews.llvm.org/D62863

llvm-svn: 362700
2019-06-06 12:38:11 +00:00

37 lines
852 B
LLVM

; RUN: llc < %s -mtriple=aarch64-windows -mattr=+fullfp16 | FileCheck %s
; CHECK-LABEL: testmhhs:
; CHECK: frintx h0, h0
; CHECK-NEXT: fcvtzs w0, h0
; CHECK-NEXT: ret
define i16 @testmhhs(half %x) {
entry:
%0 = tail call i32 @llvm.lrint.i32.f16(half %x)
%conv = trunc i32 %0 to i16
ret i16 %conv
}
; CHECK-LABEL: testmhws:
; CHECK: frintx h0, h0
; CHECK-NEXT: fcvtzs w0, h0
; CHECK-NEXT: ret
define i32 @testmhws(half %x) {
entry:
%0 = tail call i32 @llvm.lrint.i32.f16(half %x)
ret i32 %0
}
; CHECK-LABEL: testmhxs:
; CHECK: frintx h0, h0
; CHECK-NEXT: fcvtzs w8, h0
; CHECK-NEXT: sxtw x0, w8
; CHECK-NEXT: ret
define i64 @testmhxs(half %x) {
entry:
%0 = tail call i32 @llvm.lrint.i32.f16(half %x)
%conv = sext i32 %0 to i64
ret i64 %conv
}
declare i32 @llvm.lrint.i32.f16(half) nounwind readnone