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llvm-mirror/test/CodeGen/X86/widen_conv-3.ll
Simon Pilgrim 555783cecd [X86][SSE] Sign extension for target vector sizes less than 128 bits (pt2)
Add support for v2i8/v2i16 to v2f64 by using a sign extension to v2i32 before conversion to v2f64.

Differential Revision: http://reviews.llvm.org/D10589

llvm-svn: 241325
2015-07-03 08:01:36 +00:00

12 lines
292 B
LLVM

; RUN: llc < %s -march=x86 -mattr=+sse4.2 | FileCheck %s
; CHECK: cvtdq2ps
; sign to float v2i16 to v2f32
define void @convert(<2 x float>* %dst.addr, <2 x i16> %src) nounwind {
entry:
%val = sitofp <2 x i16> %src to <2 x float>
store <2 x float> %val, <2 x float>* %dst.addr
ret void
}