1; RUN: llc < %s -mcpu=core2 | FileCheck %s
2
3; generated using "clang -S -O2 -ffast-math -emit-llvm sqrt.c" from
4; #include <math.h>
5;
6; double fd(double d){
7;   return sqrt(d);
8; }
9;
10; float ff(float f){
11;   return sqrtf(f);
12; }
13;
14; long double fld(long double ld){
15;   return sqrtl(ld);
16; }
17;
18; Tests conversion of sqrt function calls into sqrt instructions when
19; -ffast-math is in effect.
20
21; ModuleID = 'sqrt.c'
22target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
23target triple = "x86_64-unknown-linux-gnu"
24
25; Function Attrs: nounwind readnone uwtable
26define double @fd(double %d) #0 {
27entry:
28; CHECK: sqrtsd
29  %call = tail call double @__sqrt_finite(double %d) #2
30  ret double %call
31}
32
33; Function Attrs: nounwind readnone
34declare double @__sqrt_finite(double) #1
35
36; Function Attrs: nounwind readnone uwtable
37define float @ff(float %f) #0 {
38entry:
39; CHECK: sqrtss
40  %call = tail call float @__sqrtf_finite(float %f) #2
41  ret float %call
42}
43
44; Function Attrs: nounwind readnone
45declare float @__sqrtf_finite(float) #1
46
47; Function Attrs: nounwind readnone uwtable
48define x86_fp80 @fld(x86_fp80 %ld) #0 {
49entry:
50; CHECK: fsqrt
51  %call = tail call x86_fp80 @__sqrtl_finite(x86_fp80 %ld) #2
52  ret x86_fp80 %call
53}
54
55; Function Attrs: nounwind readnone
56declare x86_fp80 @__sqrtl_finite(x86_fp80) #1
57
58attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" "use-soft-float"="false" }
59attributes #1 = { nounwind readnone "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" "use-soft-float"="false" }
60attributes #2 = { nounwind readnone }
61