1; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+f16c < %s | FileCheck %s --check-prefix=ALL --check-prefix=F16C 2; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+avx < %s | FileCheck %s --check-prefix=ALL --check-prefix=AVX 3 4define zeroext i16 @test1_fast(double %d) #0 { 5; ALL-LABEL: test1_fast: 6; F16C-NOT: callq {{_+}}truncdfhf2 7; F16C: vcvtsd2ss %xmm0, %xmm0, %xmm0 8; F16C-NEXT: vcvtps2ph $4, %xmm0, %xmm0 9; AVX: callq {{_+}}truncdfhf2 10; ALL: ret 11entry: 12 %0 = tail call i16 @llvm.convert.to.fp16.f64(double %d) 13 ret i16 %0 14} 15 16define zeroext i16 @test2_fast(x86_fp80 %d) #0 { 17; ALL-LABEL: test2_fast: 18; F16C-NOT: callq {{_+}}truncxfhf2 19; F16C: fldt 20; F16C-NEXT: fstps 21; F16C-NEXT: vmovss 22; F16C-NEXT: vcvtps2ph $4, %xmm0, %xmm0 23; AVX: callq {{_+}}truncxfhf2 24; ALL: ret 25entry: 26 %0 = tail call i16 @llvm.convert.to.fp16.f80(x86_fp80 %d) 27 ret i16 %0 28} 29 30define zeroext i16 @test1(double %d) #1 { 31; ALL-LABEL: test1: 32; ALL: callq {{_+}}truncdfhf2 33; ALL: ret 34entry: 35 %0 = tail call i16 @llvm.convert.to.fp16.f64(double %d) 36 ret i16 %0 37} 38 39define zeroext i16 @test2(x86_fp80 %d) #1 { 40; ALL-LABEL: test2: 41; ALL: callq {{_+}}truncxfhf2 42; ALL: ret 43entry: 44 %0 = tail call i16 @llvm.convert.to.fp16.f80(x86_fp80 %d) 45 ret i16 %0 46} 47 48declare i16 @llvm.convert.to.fp16.f64(double) 49declare i16 @llvm.convert.to.fp16.f80(x86_fp80) 50 51attributes #0 = { nounwind readnone uwtable "unsafe-fp-math"="true" "use-soft-float"="false" } 52attributes #1 = { nounwind readnone uwtable "unsafe-fp-math"="false" "use-soft-float"="false" } 53