| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s |
| |
| define void @test_load_store(half* %in, half* %out) { |
| ; CHECK-LABEL: test_load_store: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ldr h0, [x0] |
| ; CHECK-NEXT: str h0, [x1] |
| ; CHECK-NEXT: ret |
| %val = load half, half* %in |
| store half %val, half* %out |
| ret void |
| } |
| |
| define i16 @test_bitcast_from_half(half* %addr) { |
| ; CHECK-LABEL: test_bitcast_from_half: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ldrh w0, [x0] |
| ; CHECK-NEXT: ret |
| %val = load half, half* %addr |
| %val_int = bitcast half %val to i16 |
| ret i16 %val_int |
| } |
| |
| define i16 @test_reg_bitcast_from_half(half %in) { |
| ; CHECK-LABEL: test_reg_bitcast_from_half: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: // kill: def $h0 killed $h0 def $s0 |
| ; CHECK-NEXT: fmov w0, s0 |
| ; CHECK-NEXT: ret |
| %val = bitcast half %in to i16 |
| ret i16 %val |
| } |
| |
| define void @test_bitcast_to_half(half* %addr, i16 %in) { |
| ; CHECK-LABEL: test_bitcast_to_half: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: strh w1, [x0] |
| ; CHECK-NEXT: ret |
| %val_fp = bitcast i16 %in to half |
| store half %val_fp, half* %addr |
| ret void |
| } |
| |
| define half @test_reg_bitcast_to_half(i16 %in) { |
| ; CHECK-LABEL: test_reg_bitcast_to_half: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: fmov s0, w0 |
| ; CHECK-NEXT: // kill: def $h0 killed $h0 killed $s0 |
| ; CHECK-NEXT: ret |
| %val = bitcast i16 %in to half |
| ret half %val |
| } |
| |
| define float @test_extend32(half* %addr) { |
| ; CHECK-LABEL: test_extend32: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ldr h0, [x0] |
| ; CHECK-NEXT: fcvt s0, h0 |
| ; CHECK-NEXT: ret |
| %val16 = load half, half* %addr |
| %val32 = fpext half %val16 to float |
| ret float %val32 |
| } |
| |
| define double @test_extend64(half* %addr) { |
| ; CHECK-LABEL: test_extend64: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ldr h0, [x0] |
| ; CHECK-NEXT: fcvt d0, h0 |
| ; CHECK-NEXT: ret |
| %val16 = load half, half* %addr |
| %val32 = fpext half %val16 to double |
| ret double %val32 |
| } |
| |
| define void @test_trunc32(float %in, half* %addr) { |
| ; CHECK-LABEL: test_trunc32: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: fcvt h0, s0 |
| ; CHECK-NEXT: str h0, [x0] |
| ; CHECK-NEXT: ret |
| %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: // %bb.0: |
| ; CHECK-NEXT: fcvt h0, d0 |
| ; CHECK-NEXT: str h0, [x0] |
| ; CHECK-NEXT: ret |
| %val16 = fptrunc double %in to half |
| store half %val16, half* %addr |
| ret void |
| } |
| |
| define i16 @test_fccmp(i1 %a, i16 %in) { |
| ; CHECK-LABEL: test_fccmp: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mov w8, #24576 |
| ; CHECK-NEXT: fmov s0, w1 |
| ; CHECK-NEXT: movk w8, #15974, lsl #16 |
| ; CHECK-NEXT: mov w9, #16384 |
| ; CHECK-NEXT: fcvt s0, h0 |
| ; CHECK-NEXT: movk w9, #15428, lsl #16 |
| ; CHECK-NEXT: fmov s1, w8 |
| ; CHECK-NEXT: fcmp s0, s1 |
| ; CHECK-NEXT: fmov s1, w9 |
| ; CHECK-NEXT: cset w8, pl |
| ; CHECK-NEXT: fccmp s0, s1, #8, pl |
| ; CHECK-NEXT: mov w9, #4 |
| ; CHECK-NEXT: csinc w9, w9, wzr, mi |
| ; CHECK-NEXT: add w0, w8, w9 |
| ; CHECK-NEXT: ret |
| %f16 = bitcast i16 %in to half |
| %cmp0 = fcmp ogt half 0xH3333, %f16 |
| %cmp1 = fcmp ogt half 0xH2222, %f16 |
| %x = select i1 %cmp0, i16 0, i16 1 |
| %or = or i1 %cmp1, %cmp0 |
| %y = select i1 %or, i16 4, i16 1 |
| %r = add i16 %x, %y |
| ret i16 %r |
| } |