1; RUN: llc < %s -mtriple=thumbv7-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-OLD 2; RUN: llc < %s -mtriple=thumbv7s-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-F16 3; RUN: llc < %s -mtriple=thumbv8-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8 4; RUN: llc < %s -mtriple=armv8r-none-none-eabi -mattr=+neon,+fp-armv8 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8 5; RUN: llc < %s -mtriple=armv8r-none-none-eabi | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8-SP 6; RUN: llc < %s -mtriple=armv8.1m-none-none-eabi -mattr=+fp-armv8 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8 7; RUN: llc < %s -mtriple=armv8.1m-none-none-eabi -mattr=+fp-armv8,-fp64 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8-SP 8; RUN: llc < %s -mtriple=armv8.1m-none-none-eabi -mattr=+mve.fp,+fp64 | FileCheck %s --check-prefix=CHECK-V8 9; RUN: llc < %s -mtriple=armv8.1m-none-none-eabi -mattr=+mve.fp | FileCheck %s --check-prefix=CHECK-V8-SP 10 11define void @test_load_store(ptr %in, ptr %out) { 12; CHECK-LABEL: test_load_store: 13; CHECK: ldrh [[TMP:r[0-9]+]], [r0] 14; CHECK: strh [[TMP]], [r1] 15 %val = load half, ptr %in 16 store half %val, ptr %out 17 ret void 18} 19 20define i16 @test_bitcast_from_half(ptr %addr) { 21; CHECK-LABEL: test_bitcast_from_half: 22; CHECK: ldrh r0, [r0] 23 %val = load half, ptr %addr 24 %val_int = bitcast half %val to i16 25 ret i16 %val_int 26} 27 28define void @test_bitcast_to_half(ptr %addr, i16 %in) { 29; CHECK-LABEL: test_bitcast_to_half: 30; CHECK: strh r1, [r0] 31 %val_fp = bitcast i16 %in to half 32 store half %val_fp, ptr %addr 33 ret void 34} 35 36define float @test_extend32(ptr %addr) { 37; CHECK-LABEL: test_extend32: 38 39; CHECK-OLD: b.w ___extendhfsf2 40; CHECK-F16: vcvtb.f32.f16 41; CHECK-V8: vcvtb.f32.f16 42; CHECK-V8-SP: vcvtb.f32.f16 43 %val16 = load half, ptr %addr 44 %val32 = fpext half %val16 to float 45 ret float %val32 46} 47 48define double @test_extend64(ptr %addr) { 49; CHECK-LABEL: test_extend64: 50 51; CHECK-OLD: bl ___extendhfsf2 52; CHECK-OLD: vcvt.f64.f32 53; CHECK-F16: vcvtb.f32.f16 54; CHECK-F16: vcvt.f64.f32 55; CHECK-V8: vcvtb.f64.f16 56; CHECK-V8-SP: vcvtb.f32.f16 57; CHECK-V8-SP: bl __aeabi_f2d 58 %val16 = load half, ptr %addr 59 %val32 = fpext half %val16 to double 60 ret double %val32 61} 62 63define void @test_trunc32(float %in, ptr %addr) { 64; CHECK-LABEL: test_trunc32: 65 66; CHECK-OLD: bl ___truncsfhf2 67; CHECK-F16: vcvtb.f16.f32 68; CHECK-V8: vcvtb.f16.f32 69; CHECK-V8-SP: vcvtb.f16.f32 70 %val16 = fptrunc float %in to half 71 store half %val16, ptr %addr 72 ret void 73} 74 75define void @test_trunc64(double %in, ptr %addr) { 76; CHECK-LABEL: test_trunc64: 77 78; CHECK-OLD: bl ___truncdfhf2 79; CHECK-F16: bl ___truncdfhf2 80; CHECK-V8: vcvtb.f16.f64 81; CHECK-V8-SP: bl __aeabi_d2h 82 %val16 = fptrunc double %in to half 83 store half %val16, ptr %addr 84 ret void 85} 86