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1; RUN: llc < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s -check-prefix=SOFT
2; RUN: llc < %s -mtriple=armv7-gnueabi -float-abi=hard -mcpu=cortex-a8 | FileCheck %s -check-prefix=HARD
3
4; rdar://8984306
5define float @test1(float %x, float %y) nounwind {
6entry:
7; SOFT: test1:
8; SOFT: lsr r1, r1, #31
9; SOFT: bfi r0, r1, #31, #1
10
11; HARD: test1:
12; HARD: vmov.i32 [[REG1:(d[0-9]+)]], #0x80000000
13; HARD: vbsl [[REG1]], d
14  %0 = tail call float @copysignf(float %x, float %y) nounwind
15  ret float %0
16}
17
18define double @test2(double %x, double %y) nounwind {
19entry:
20; SOFT: test2:
21; SOFT: lsr r2, r3, #31
22; SOFT: bfi r1, r2, #31, #1
23
24; HARD: test2:
25; HARD: vmov.i32 [[REG2:(d[0-9]+)]], #0x80000000
26; HARD: vshl.i64 [[REG2]], [[REG2]], #32
27; HARD: vbsl [[REG2]], d1, d0
28  %0 = tail call double @copysign(double %x, double %y) nounwind
29  ret double %0
30}
31
32define double @test3(double %x, double %y, double %z) nounwind {
33entry:
34; SOFT: test3:
35; SOFT: vmov.i32 [[REG3:(d[0-9]+)]], #0x80000000
36; SOFT: vshl.i64 [[REG3]], [[REG3]], #32
37; SOFT: vbsl [[REG3]],
38  %0 = fmul double %x, %y
39  %1 = tail call double @copysign(double %0, double %z) nounwind
40  ret double %1
41}
42
43; rdar://9059537
44define i32 @test4() ssp {
45entry:
46; SOFT: test4:
47; SOFT: vmov.f64 [[REG4:(d[0-9]+)]], #1.000000e+00
48; This S-reg must be the first sub-reg of the last D-reg on vbsl.
49; SOFT: vcvt.f32.f64 {{s1?[02468]}}, [[REG4]]
50; SOFT: vshr.u64 [[REG4]], [[REG4]], #32
51; SOFT: vmov.i32 [[REG5:(d[0-9]+)]], #0x80000000
52; SOFT: vbsl [[REG5]], [[REG4]], {{d[0-9]+}}
53  %call80 = tail call double @copysign(double 1.000000e+00, double undef)
54  %conv81 = fptrunc double %call80 to float
55  %tmp88 = bitcast float %conv81 to i32
56  ret i32 %tmp88
57}
58
59; rdar://9287902
60define float @test5() nounwind {
61entry:
62; SOFT: test5:
63; SOFT: vmov.i32 [[REG6:(d[0-9]+)]], #0x80000000
64; SOFT: vmov [[REG7:(d[0-9]+)]], r0, r1
65; SOFT: vshr.u64 [[REG7]], [[REG7]], #32
66; SOFT: vbsl [[REG6]], [[REG7]],
67  %0 = tail call double (...)* @bar() nounwind
68  %1 = fptrunc double %0 to float
69  %2 = tail call float @copysignf(float 5.000000e-01, float %1) nounwind readnone
70  %3 = fadd float %1, %2
71  ret float %3
72}
73
74declare double @bar(...)
75declare double @copysign(double, double) nounwind
76declare float @copysignf(float, float) nounwind
77