; RUN: llc < %s -march=x86-64 -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=-f16c | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-LIBCALL ; RUN: llc < %s -march=x86-64 -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=+f16c | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-F16C define void @test_load_store(half* %in, half* %out) { ; CHECK-LABEL: test_load_store: ; CHECK: movw (%rdi), [[TMP:%[a-z0-9]+]] ; CHECK: movw [[TMP]], (%rsi) %val = load half* %in store half %val, half* %out ret void } define i16 @test_bitcast_from_half(half* %addr) { ; CHECK-LABEL: test_bitcast_from_half: ; CHECK: movzwl (%rdi), %eax %val = load half* %addr %val_int = bitcast half %val to i16 ret i16 %val_int } define void @test_bitcast_to_half(half* %addr, i16 %in) { ; CHECK-LABEL: test_bitcast_to_half: ; CHECK: movw %si, (%rdi) %val_fp = bitcast i16 %in to half store half %val_fp, half* %addr ret void } define float @test_extend32(half* %addr) { ; CHECK-LABEL: test_extend32: ; CHECK-LIBCALL: jmp __gnu_h2f_ieee ; CHECK-FP16: vcvtph2ps %val16 = load half* %addr %val32 = fpext half %val16 to float ret float %val32 } define double @test_extend64(half* %addr) { ; CHECK-LABEL: test_extend64: ; CHECK-LIBCALL: callq __gnu_h2f_ieee ; CHECK-LIBCALL: cvtss2sd ; CHECK-FP16: vcvtph2ps ; CHECK-FP16: vcvtss2sd %val16 = load half* %addr %val32 = fpext half %val16 to double ret double %val32 } define void @test_trunc32(float %in, half* %addr) { ; CHECK-LABEL: test_trunc32: ; CHECK-LIBCALL: callq __gnu_f2h_ieee ; CHECK-FP16: vcvtps2ph %val16 = fptrunc float %in to half store half %val16, half* %addr ret void } define void @test_trunc64(double %in, half* %addr) { ; CHECK-LABEL: test_trunc64: ; CHECK-LIBCALL: callq __truncdfhf2 ; CHECK-FP16: callq __truncdfhf2 %val16 = fptrunc double %in to half store half %val16, half* %addr ret void }