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comparison test/CodeGen/X86/scalar_sse_minmax.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children 60c9769439b8
comparison
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-1:000000000000 0:95c75e76d11b
1 ; RUN: llc < %s -march=x86 -mattr=+sse,+sse2 | \
2 ; RUN: grep mins | count 3
3 ; RUN: llc < %s -march=x86 -mattr=+sse,+sse2 | \
4 ; RUN: grep maxs | count 2
5
6 declare i1 @llvm.isunordered.f64(double, double)
7
8 declare i1 @llvm.isunordered.f32(float, float)
9
10 define float @min1(float %x, float %y) {
11 %tmp = fcmp olt float %x, %y ; <i1> [#uses=1]
12 %retval = select i1 %tmp, float %x, float %y ; <float> [#uses=1]
13 ret float %retval
14 }
15
16 define double @min2(double %x, double %y) {
17 %tmp = fcmp olt double %x, %y ; <i1> [#uses=1]
18 %retval = select i1 %tmp, double %x, double %y ; <double> [#uses=1]
19 ret double %retval
20 }
21
22 define float @max1(float %x, float %y) {
23 %tmp = fcmp oge float %x, %y ; <i1> [#uses=1]
24 %tmp2 = fcmp uno float %x, %y ; <i1> [#uses=1]
25 %tmp3 = or i1 %tmp2, %tmp ; <i1> [#uses=1]
26 %retval = select i1 %tmp3, float %x, float %y ; <float> [#uses=1]
27 ret float %retval
28 }
29
30 define double @max2(double %x, double %y) {
31 %tmp = fcmp oge double %x, %y ; <i1> [#uses=1]
32 %tmp2 = fcmp uno double %x, %y ; <i1> [#uses=1]
33 %tmp3 = or i1 %tmp2, %tmp ; <i1> [#uses=1]
34 %retval = select i1 %tmp3, double %x, double %y ; <double> [#uses=1]
35 ret double %retval
36 }
37
38 define <4 x float> @min3(float %tmp37) {
39 %tmp375 = insertelement <4 x float> undef, float %tmp37, i32 0 ; <<4 x float>> [#uses=1]
40 %tmp48 = tail call <4 x float> @llvm.x86.sse.min.ss( <4 x float> %tmp375, <4 x float> < float 6.553500e+04, float undef, float undef, float undef > ) ; <<4 x float>> [#uses=1]
41 ret <4 x float> %tmp48
42 }
43
44 declare <4 x float> @llvm.x86.sse.min.ss(<4 x float>, <4 x float>)