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llvm-mirror/test/CodeGen/AArch64/arm64-fixed-point-scalar-cvt-dagcombine.ll
Simon Pilgrim 91bb437eb8 [AARCH64] Enable AARCH64 lit tests on windows dev machines
As discussed on PR27654, this patch fixes the triples of a lot of aarch64 tests and enables lit tests on windows

This will hopefully help stop cases where windows developers break the aarch64 target

Differential Revision: https://reviews.llvm.org/D22191

llvm-svn: 275973
2016-07-19 13:35:11 +00:00

16 lines
648 B
LLVM

; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple | FileCheck %s
; DAGCombine to transform a conversion of an extract_vector_elt to an
; extract_vector_elt of a conversion, which saves a round trip of copies
; of the value to a GPR and back to and FPR.
; rdar://11855286
define double @foo0(<2 x i64> %a) nounwind {
; CHECK: scvtf.2d [[REG:v[0-9]+]], v0, #9
; CHECK-NEXT: mov d0, [[REG]][1]
%vecext = extractelement <2 x i64> %a, i32 1
%fcvt_n = tail call double @llvm.aarch64.neon.vcvtfxs2fp.f64.i64(i64 %vecext, i32 9)
ret double %fcvt_n
}
declare double @llvm.aarch64.neon.vcvtfxs2fp.f64.i64(i64, i32) nounwind readnone