1; RUN: llc < %s -mtriple=armv7-apple-ios6 -mcpu=cortex-a8 | FileCheck %s --check-prefix=NOOPT
2; RUN: llc < %s -mtriple=armv7-apple-ios7 -mcpu=cortex-a8 | FileCheck %s --check-prefix=SINCOS
3; RUN: llc < %s -mtriple=armv7-linux-gnu -mcpu=cortex-a8 | FileCheck %s --check-prefix=SINCOS-GNU
4; RUN: llc < %s -mtriple=armv7-linux-gnueabi -mcpu=cortex-a8 \
5; RUN:   --enable-unsafe-fp-math | FileCheck %s --check-prefix=SINCOS-GNU
6
7; Combine sin / cos into a single call unless they may write errno (as
8; captured by readnone attrbiute, controlled by clang -fmath-errno
9; setting).
10; rdar://12856873
11
12define float @test1(float %x) nounwind {
13entry:
14; SINCOS-LABEL: test1:
15; SINCOS: bl ___sincosf_stret
16
17; SINCOS-GNU-LABEL: test1:
18; SINCOS-GNU: bl sincosf
19
20; NOOPT-LABEL: test1:
21; NOOPT: bl _sinf
22; NOOPT: bl _cosf
23
24  %call = tail call float @sinf(float %x) readnone
25  %call1 = tail call float @cosf(float %x) readnone
26  %add = fadd float %call, %call1
27  ret float %add
28}
29
30define float @test1_errno(float %x) nounwind {
31entry:
32; SINCOS-LABEL: test1_errno:
33; SINCOS: bl _sinf
34; SINCOS: bl _cosf
35
36; SINCOS-GNU-LABEL: test1_errno:
37; SINCOS-GNU: bl sinf
38; SINCOS-GNU: bl cosf
39
40; NOOPT-LABEL: test1_errno:
41; NOOPT: bl _sinf
42; NOOPT: bl _cosf
43
44  %call = tail call float @sinf(float %x)
45  %call1 = tail call float @cosf(float %x)
46  %add = fadd float %call, %call1
47  ret float %add
48}
49
50define double @test2(double %x) nounwind {
51entry:
52; SINCOS-LABEL: test2:
53; SINCOS: bl ___sincos_stret
54
55; SINCOS-GNU-LABEL: test2:
56; SINCOS-GNU: bl sincos
57
58; NOOPT-LABEL: test2:
59; NOOPT: bl _sin
60; NOOPT: bl _cos
61
62  %call = tail call double @sin(double %x) readnone
63  %call1 = tail call double @cos(double %x) readnone
64  %add = fadd double %call, %call1
65  ret double %add
66}
67
68define double @test2_errno(double %x) nounwind {
69entry:
70; SINCOS-LABEL: test2_errno:
71; SINCOS: bl _sin
72; SINCOS: bl _cos
73
74; SINCOS-GNU-LABEL: test2_errno:
75; SINCOS-GNU: bl sin
76; SINCOS-GNU: bl cos
77
78; NOOPT-LABEL: test2_errno:
79; NOOPT: bl _sin
80; NOOPT: bl _cos
81
82  %call = tail call double @sin(double %x)
83  %call1 = tail call double @cos(double %x)
84  %add = fadd double %call, %call1
85  ret double %add
86}
87
88declare float  @sinf(float)
89declare double @sin(double)
90declare float @cosf(float)
91declare double @cos(double)
92