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1; RUN: llc < %s -mtriple=arm64-apple-ios7 | FileCheck %s --check-prefix CHECK-IOS
2; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s --check-prefix CHECK-LINUX
3; RUN: llc < %s -mtriple=arm64-linux-android | FileCheck %s --check-prefix CHECK-LINUX
4
5; Combine sin / cos into a single call unless they may write errno (as
6; captured by readnone attrbiute, controlled by clang -fmath-errno
7; setting).
8; rdar://12856873
9
10define float @test1(float %x) nounwind {
11entry:
12; CHECK-IOS-LABEL: test1:
13; CHECK-IOS: bl ___sincosf_stret
14; CHECK-IOS: fadd s0, s0, s1
15
16; CHECK-LINUX-LABEL: test1:
17; CHECK-LINUX: bl sincosf
18
19  %call = tail call float @sinf(float %x) readnone
20  %call1 = tail call float @cosf(float %x) readnone
21  %add = fadd float %call, %call1
22  ret float %add
23}
24
25define float @test1_errno(float %x) nounwind {
26entry:
27; CHECK-IOS-LABEL: test1_errno:
28; CHECK-IOS: bl _sinf
29; CHECK-IOS: bl _cosf
30
31; CHECK-LINUX-LABEL: test1_errno:
32; CHECK-LINUX: bl sinf
33; CHECK-LINUX: bl cosf
34
35  %call = tail call float @sinf(float %x)
36  %call1 = tail call float @cosf(float %x)
37  %add = fadd float %call, %call1
38  ret float %add
39}
40
41define double @test2(double %x) nounwind {
42entry:
43; CHECK-IOS-LABEL: test2:
44; CHECK-IOS: bl ___sincos_stret
45; CHECK-IOS: fadd d0, d0, d1
46
47; CHECK-LINUX-LABEL: test2:
48; CHECK-LINUX: bl sincos
49
50  %call = tail call double @sin(double %x) readnone
51  %call1 = tail call double @cos(double %x) readnone
52  %add = fadd double %call, %call1
53  ret double %add
54}
55
56define double @test2_errno(double %x) nounwind {
57entry:
58; CHECK-IOS-LABEL: test2_errno:
59; CHECK-IOS: bl _sin
60; CHECK-IOS: bl _cos
61
62; CHECK-LINUX-LABEL: test2_errno:
63; CHECK-LINUX: bl sin
64; CHECK-LINUX: bl cos
65
66  %call = tail call double @sin(double %x)
67  %call1 = tail call double @cos(double %x)
68  %add = fadd double %call, %call1
69  ret double %add
70}
71
72declare float  @sinf(float)
73declare double @sin(double)
74declare float @cosf(float)
75declare double @cos(double)
76