aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/X86/extractps.ll
blob: fecd2faed3212be62aa1fab5521f31d7c7303be6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
; RUN: llc < %s -march=x86 -mcpu=penryn > %t
; RUN: not grep movd %t
; RUN: grep "movss	%xmm" %t | count 1
; RUN: grep "extractps	\$1, %xmm0, " %t | count 1
; PR2647

external global float, align 16         ; <float*>:0 [#uses=2]

define internal void @""() nounwind {
        load float, float* @0, align 16                ; <float>:1 [#uses=1]
        insertelement <4 x float> undef, float %1, i32 0                ; <<4 x float>>:2 [#uses=1]
        call <4 x float> @llvm.x86.sse.rsqrt.ss( <4 x float> %2 )              ; <<4 x float>>:3 [#uses=1]
        extractelement <4 x float> %3, i32 0            ; <float>:4 [#uses=1]
        store float %4, float* @0, align 16
        ret void
}
define internal void @""() nounwind {
        load float, float* @0, align 16                ; <float>:1 [#uses=1]
        insertelement <4 x float> undef, float %1, i32 1                ; <<4 x float>>:2 [#uses=1]
        call <4 x float> @llvm.x86.sse.rsqrt.ss( <4 x float> %2 )              ; <<4 x float>>:3 [#uses=1]
        extractelement <4 x float> %3, i32 1            ; <float>:4 [#uses=1]
        store float %4, float* @0, align 16
        ret void
}

declare <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float>) nounwind readnone