llvm-6502/test/CodeGen/X86/cvtv2f32.ll
Michael Liao 1a5cc710ee Teach DAG combine to fold (buildvec (Xint2fp x)) to (Xint2fp (buildvec x))
- If more than 1 elemennts are defined and target supports the vectorized
  conversion, use the vectorized one instead to reduce the strength on
  conversion operation.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24 04:14:18 +00:00

26 lines
609 B
LLVM

; RUN: llc < %s -mtriple=i686-linux-pc -mcpu=corei7 | FileCheck %s
define <2 x float> @foo(i32 %x, i32 %y, <2 x float> %v) {
%t1 = uitofp i32 %x to float
%t2 = insertelement <2 x float> undef, float %t1, i32 0
%t3 = uitofp i32 %y to float
%t4 = insertelement <2 x float> %t2, float %t3, i32 1
%t5 = fmul <2 x float> %v, %t4
ret <2 x float> %t5
; CHECK: foo
; CHECK: or
; CHECK: subpd
; CHECK: cvtpd2ps
; CHECK: ret
}
define <2 x float> @bar(<2 x i32> %in) {
%r = uitofp <2 x i32> %in to <2 x float>
ret <2 x float> %r
; CHECK: bar
; CHECK: or
; CHECK: subpd
; CHECK: cvtpd2ps
; CHECK: ret
}