llvm/test/CodeGen/X86/avx-sext.ll
Elena Demikhovsky dcabc7bca9 Optimization for SIGN_EXTEND operation on AVX.
Special handling was added for v4i32 -> v4i64 and v8i16 -> v8i32
extensions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149600 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-02 09:10:43 +00:00

18 lines
461 B
LLVM
Executable File

; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
define <8 x i32> @sext_8i16_to_8i32(<8 x i16> %A) nounwind uwtable readnone ssp {
;CHECK: sext_8i16_to_8i32
;CHECK: vpmovsxwd
%B = sext <8 x i16> %A to <8 x i32>
ret <8 x i32>%B
}
define <4 x i64> @sext_4i32_to_4i64(<4 x i32> %A) nounwind uwtable readnone ssp {
;CHECK: sext_4i32_to_4i64
;CHECK: vpmovsxdq
%B = sext <4 x i32> %A to <4 x i64>
ret <4 x i64>%B
}