Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/AArch64/arm64-fixed-point-scalar-cvt-dagcombine.ll @ 117:facf19d07cd9
check EHStack on EmitCall (CbC goto)
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Wed, 24 Aug 2016 20:10:41 +0900 |
parents | 60c9769439b8 |
children | 1172e4bd9c6f |
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; RUN: llc < %s -march=arm64 -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