; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+f16c < %s | FileCheck %s --check-prefix=ALL --check-prefix=F16C ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+avx < %s | FileCheck %s --check-prefix=ALL --check-prefix=AVX define zeroext i16 @test1_fast(double %d) #0 { ; F16C-LABEL: test1_fast: ; F16C: # %bb.0: # %entry ; F16C-NEXT: vcvtsd2ss %xmm0, %xmm0, %xmm0 ; F16C-NEXT: vcvtps2ph $4, %xmm0, %xmm0 ; F16C-NEXT: vmovd %xmm0, %eax ; F16C-NEXT: # kill: def $ax killed $ax killed $eax ; F16C-NEXT: retq ; ; AVX-LABEL: test1_fast: ; AVX: # %bb.0: # %entry ; AVX-NEXT: pushq %rax ; AVX-NEXT: .cfi_def_cfa_offset 16 ; AVX-NEXT: callq __truncdfhf2 ; AVX-NEXT: popq %rcx ; AVX-NEXT: .cfi_def_cfa_offset 8 ; AVX-NEXT: retq entry: %0 = tail call i16 @llvm.convert.to.fp16.f64(double %d) ret i16 %0 } define zeroext i16 @test2_fast(x86_fp80 %d) #0 { ; F16C-LABEL: test2_fast: ; F16C: # %bb.0: # %entry ; F16C-NEXT: fldt {{[0-9]+}}(%rsp) ; F16C-NEXT: fstps -{{[0-9]+}}(%rsp) ; F16C-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; F16C-NEXT: vcvtps2ph $4, %xmm0, %xmm0 ; F16C-NEXT: vmovd %xmm0, %eax ; F16C-NEXT: # kill: def $ax killed $ax killed $eax ; F16C-NEXT: retq ; ; AVX-LABEL: test2_fast: ; AVX: # %bb.0: # %entry ; AVX-NEXT: subq $24, %rsp ; AVX-NEXT: .cfi_def_cfa_offset 32 ; AVX-NEXT: fldt {{[0-9]+}}(%rsp) ; AVX-NEXT: fstpt (%rsp) ; AVX-NEXT: callq __truncxfhf2 ; AVX-NEXT: addq $24, %rsp ; AVX-NEXT: .cfi_def_cfa_offset 8 ; AVX-NEXT: retq entry: %0 = tail call i16 @llvm.convert.to.fp16.f80(x86_fp80 %d) ret i16 %0 } define zeroext i16 @test1(double %d) #1 { ; ALL-LABEL: test1: ; ALL: # %bb.0: # %entry ; ALL-NEXT: pushq %rax ; ALL-NEXT: .cfi_def_cfa_offset 16 ; ALL-NEXT: callq __truncdfhf2 ; ALL-NEXT: popq %rcx ; ALL-NEXT: .cfi_def_cfa_offset 8 ; ALL-NEXT: retq entry: %0 = tail call i16 @llvm.convert.to.fp16.f64(double %d) ret i16 %0 } define zeroext i16 @test2(x86_fp80 %d) #1 { ; ALL-LABEL: test2: ; ALL: # %bb.0: # %entry ; ALL-NEXT: subq $24, %rsp ; ALL-NEXT: .cfi_def_cfa_offset 32 ; ALL-NEXT: fldt {{[0-9]+}}(%rsp) ; ALL-NEXT: fstpt (%rsp) ; ALL-NEXT: callq __truncxfhf2 ; ALL-NEXT: addq $24, %rsp ; ALL-NEXT: .cfi_def_cfa_offset 8 ; ALL-NEXT: retq entry: %0 = tail call i16 @llvm.convert.to.fp16.f80(x86_fp80 %d) ret i16 %0 } declare i16 @llvm.convert.to.fp16.f64(double) declare i16 @llvm.convert.to.fp16.f80(x86_fp80) attributes #0 = { nounwind readnone uwtable "unsafe-fp-math"="true" "use-soft-float"="false" } attributes #1 = { nounwind readnone uwtable "unsafe-fp-math"="false" "use-soft-float"="false" }