1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+f16c < %s | FileCheck %s --check-prefix=ALL --check-prefix=F16C
3; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+avx < %s | FileCheck %s --check-prefix=ALL --check-prefix=AVX
4
5define zeroext i16 @test1_fast(double %d) #0 {
6; F16C-LABEL: test1_fast:
7; F16C:       # %bb.0: # %entry
8; F16C-NEXT:    vcvtsd2ss %xmm0, %xmm0, %xmm0
9; F16C-NEXT:    vcvtps2ph $4, %xmm0, %xmm0
10; F16C-NEXT:    vmovd %xmm0, %eax
11; F16C-NEXT:    # kill: def $ax killed $ax killed $eax
12; F16C-NEXT:    retq
13;
14; AVX-LABEL: test1_fast:
15; AVX:       # %bb.0: # %entry
16; AVX-NEXT:    pushq %rax
17; AVX-NEXT:    .cfi_def_cfa_offset 16
18; AVX-NEXT:    callq __truncdfhf2@PLT
19; AVX-NEXT:    vpextrw $0, %xmm0, %eax
20; AVX-NEXT:    # kill: def $ax killed $ax killed $eax
21; AVX-NEXT:    popq %rcx
22; AVX-NEXT:    .cfi_def_cfa_offset 8
23; AVX-NEXT:    retq
24entry:
25  %0 = tail call i16 @llvm.convert.to.fp16.f64(double %d)
26  ret i16 %0
27}
28
29define zeroext i16 @test2_fast(x86_fp80 %d) #0 {
30; ALL-LABEL: test2_fast:
31; ALL:       # %bb.0: # %entry
32; ALL-NEXT:    subq $24, %rsp
33; ALL-NEXT:    .cfi_def_cfa_offset 32
34; ALL-NEXT:    fldt {{[0-9]+}}(%rsp)
35; ALL-NEXT:    fstpt (%rsp)
36; ALL-NEXT:    callq __truncxfhf2@PLT
37; ALL-NEXT:    vpextrw $0, %xmm0, %eax
38; ALL-NEXT:    # kill: def $ax killed $ax killed $eax
39; ALL-NEXT:    addq $24, %rsp
40; ALL-NEXT:    .cfi_def_cfa_offset 8
41; ALL-NEXT:    retq
42entry:
43  %0 = tail call i16 @llvm.convert.to.fp16.f80(x86_fp80 %d)
44  ret i16 %0
45}
46
47define zeroext i16 @test1(double %d) #1 {
48; F16C-LABEL: test1:
49; F16C:       # %bb.0: # %entry
50; F16C-NEXT:    vcvtsd2ss %xmm0, %xmm0, %xmm0
51; F16C-NEXT:    vcvtps2ph $4, %xmm0, %xmm0
52; F16C-NEXT:    vmovd %xmm0, %eax
53; F16C-NEXT:    # kill: def $ax killed $ax killed $eax
54; F16C-NEXT:    retq
55;
56; AVX-LABEL: test1:
57; AVX:       # %bb.0: # %entry
58; AVX-NEXT:    pushq %rax
59; AVX-NEXT:    .cfi_def_cfa_offset 16
60; AVX-NEXT:    callq __truncdfhf2@PLT
61; AVX-NEXT:    vpextrw $0, %xmm0, %eax
62; AVX-NEXT:    # kill: def $ax killed $ax killed $eax
63; AVX-NEXT:    popq %rcx
64; AVX-NEXT:    .cfi_def_cfa_offset 8
65; AVX-NEXT:    retq
66entry:
67  %0 = tail call i16 @llvm.convert.to.fp16.f64(double %d)
68  ret i16 %0
69}
70
71define zeroext i16 @test2(x86_fp80 %d) #1 {
72; ALL-LABEL: test2:
73; ALL:       # %bb.0: # %entry
74; ALL-NEXT:    subq $24, %rsp
75; ALL-NEXT:    .cfi_def_cfa_offset 32
76; ALL-NEXT:    fldt {{[0-9]+}}(%rsp)
77; ALL-NEXT:    fstpt (%rsp)
78; ALL-NEXT:    callq __truncxfhf2@PLT
79; ALL-NEXT:    vpextrw $0, %xmm0, %eax
80; ALL-NEXT:    # kill: def $ax killed $ax killed $eax
81; ALL-NEXT:    addq $24, %rsp
82; ALL-NEXT:    .cfi_def_cfa_offset 8
83; ALL-NEXT:    retq
84entry:
85  %0 = tail call i16 @llvm.convert.to.fp16.f80(x86_fp80 %d)
86  ret i16 %0
87}
88
89declare i16 @llvm.convert.to.fp16.f64(double)
90declare i16 @llvm.convert.to.fp16.f80(x86_fp80)
91
92attributes #0 = { nounwind readnone uwtable "unsafe-fp-math"="true" "use-soft-float"="false" }
93attributes #1 = { nounwind readnone uwtable "unsafe-fp-math"="false" "use-soft-float"="false" }
94