1 files changed, 264 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/fcopysign.f16.ll b/test/CodeGen/AMDGPU/fcopysign.f16.ll
new file mode 100644
index 0000000000000..4e2bf765cd95f
--- /dev/null
+++ b/test/CodeGen/AMDGPU/fcopysign.f16.ll
@@ -0,0 +1,264 @@
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=SI %s
+; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GFX89 -check-prefix=GFX8 %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GFX89 -check-prefix=GFX9 %s
+
+declare half @llvm.copysign.f16(half, half)
+declare float @llvm.copysign.f32(float, float)
+declare double @llvm.copysign.f64(double, double)
+declare <2 x half> @llvm.copysign.v2f16(<2 x half>, <2 x half>)
+declare <3 x half> @llvm.copysign.v3f16(<3 x half>, <3 x half>)
+declare <4 x half> @llvm.copysign.v4f16(<4 x half>, <4 x half>)
+
+; GCN-LABEL: {{^}}test_copysign_f16:
+; SI: buffer_load_ushort v[[SIGN:[0-9]+]]
+; SI: buffer_load_ushort v[[MAG:[0-9]+]]
+; SI: s_brev_b32 s[[CONST:[0-9]+]], -2
+; SI-DAG: v_cvt_f32_f16_e32 v[[MAG_F32:[0-9]+]], v[[MAG]]
+; SI-DAG: v_cvt_f32_f16_e32 v[[SIGN_F32:[0-9]+]], v[[SIGN]]
+; SI: v_bfi_b32 v[[OUT_F32:[0-9]+]], s[[CONST]], v[[MAG_F32]], v[[SIGN_F32]]
+; SI: v_cvt_f16_f32_e32 v[[OUT:[0-9]+]], v[[OUT_F32]]
+; GFX89: buffer_load_ushort v[[SIGN:[0-9]+]]
+; GFX89: buffer_load_ushort v[[MAG:[0-9]+]]
+; GFX89: s_movk_i32 s[[CONST:[0-9]+]], 0x7fff
+; GFX89: v_bfi_b32 v[[OUT:[0-9]+]], s[[CONST]], v[[MAG]], v[[SIGN]]
+; GCN: buffer_store_short v[[OUT]]
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_f16(
+  half addrspace(1)* %arg_out,
+  half addrspace(1)* %arg_mag,
+  half addrspace(1)* %arg_sign) {
+entry:
+  %mag = load half, half addrspace(1)* %arg_mag
+  %sign = load half, half addrspace(1)* %arg_sign
+  %out = call half @llvm.copysign.f16(half %mag, half %sign)
+  store half %out, half addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_out_f32_mag_f16_sign_f32:
+; GCN-DAG: buffer_load_ushort v[[MAG:[0-9]+]]
+; GCN-DAG: buffer_load_dword v[[SIGN:[0-9]+]]
+; GCN-DAG: s_brev_b32 s[[CONST:[0-9]+]], -2
+; GCN-DAG: v_cvt_f32_f16_e32 v[[MAG_EXT:[0-9]+]], v[[MAG]]
+; GCN: v_bfi_b32 v[[OUT:[0-9]+]], s[[CONST]], v[[MAG_EXT]], v[[SIGN]]
+; GCN: buffer_store_dword v[[OUT]]
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_out_f32_mag_f16_sign_f32(
+  float addrspace(1)* %arg_out,
+  half addrspace(1)* %arg_mag,
+  float addrspace(1)* %arg_sign) {
+entry:
+  %mag = load half, half addrspace(1)* %arg_mag
+  %mag.ext = fpext half %mag to float
+  %sign = load float, float addrspace(1)* %arg_sign
+  %out = call float @llvm.copysign.f32(float %mag.ext, float %sign)
+  store float %out, float addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_out_f64_mag_f16_sign_f64:
+; GCN-DAG: buffer_load_ushort v[[MAG:[0-9]+]]
+; GCN-DAG: buffer_load_dwordx2 v{{\[}}[[SIGN_LO:[0-9]+]]:[[SIGN_HI:[0-9]+]]{{\]}}
+; GCN-DAG: s_brev_b32 s[[CONST:[0-9]+]], -2
+; GCN-DAG: v_cvt_f32_f16_e32 v[[MAG_EXT:[0-9]+]], v[[MAG]]
+; GCN-DAG: v_cvt_f64_f32_e32 v{{\[}}[[MAG_EXT_LO:[0-9]+]]:[[MAG_EXT_HI:[0-9]+]]{{\]}}, v[[MAG_EXT]]
+; GCN: v_bfi_b32 v[[OUT_HI:[0-9]+]], s[[CONST]], v[[MAG_EXT_HI]], v[[SIGN_HI]]
+; GCN: buffer_store_dwordx2 v{{\[}}[[MAG_EXT_LO]]:[[OUT_HI]]{{\]}}
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_out_f64_mag_f16_sign_f64(
+  double addrspace(1)* %arg_out,
+  half addrspace(1)* %arg_mag,
+  double addrspace(1)* %arg_sign) {
+entry:
+  %mag = load half, half addrspace(1)* %arg_mag
+  %mag.ext = fpext half %mag to double
+  %sign = load double, double addrspace(1)* %arg_sign
+  %out = call double @llvm.copysign.f64(double %mag.ext, double %sign)
+  store double %out, double addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_out_f32_mag_f32_sign_f16:
+; GCN-DAG: buffer_load_dword v[[MAG:[0-9]+]]
+; GCN-DAG: buffer_load_ushort v[[SIGN:[0-9]+]]
+; GCN-DAG: s_brev_b32 s[[CONST:[0-9]+]], -2
+; SI-DAG: v_cvt_f32_f16_e32 v[[SIGN_F32:[0-9]+]], v[[SIGN]]
+; SI: v_bfi_b32 v[[OUT:[0-9]+]], s[[CONST]], v[[MAG]], v[[SIGN_F32]]
+; GFX89-DAG: v_lshlrev_b32_e32 v[[SIGN_SHIFT:[0-9]+]], 16, v[[SIGN]]
+; GFX89: v_bfi_b32 v[[OUT:[0-9]+]], s[[CONST]], v[[MAG]], v[[SIGN_SHIFT]]
+; GCN: buffer_store_dword v[[OUT]]
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_out_f32_mag_f32_sign_f16(
+  float addrspace(1)* %arg_out,
+  float addrspace(1)* %arg_mag,
+  half addrspace(1)* %arg_sign) {
+entry:
+  %mag = load float, float addrspace(1)* %arg_mag
+  %sign = load half, half addrspace(1)* %arg_sign
+  %sign.ext = fpext half %sign to float
+  %out = call float @llvm.copysign.f32(float %mag, float %sign.ext)
+  store float %out, float addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_out_f64_mag_f64_sign_f16:
+; GCN-DAG: buffer_load_dwordx2 v{{\[}}[[MAG_LO:[0-9]+]]:[[MAG_HI:[0-9]+]]{{\]}}
+; GCN-DAG: buffer_load_ushort v[[SIGN:[0-9]+]]
+; GCN-DAG: s_brev_b32 s[[CONST:[0-9]+]], -2
+; SI-DAG: v_cvt_f32_f16_e32 v[[SIGN_F32:[0-9]+]], v[[SIGN]]
+; SI: v_bfi_b32 v[[OUT_HI:[0-9]+]], s[[CONST]], v[[MAG_HI]], v[[SIGN_F32]]
+; GFX89-DAG: v_lshlrev_b32_e32 v[[SIGN_SHIFT:[0-9]+]], 16, v[[SIGN]]
+; GFX89: v_bfi_b32 v[[OUT_HI:[0-9]+]], s[[CONST]], v[[MAG_HI]], v[[SIGN_SHIFT]]
+; GCN: buffer_store_dwordx2 v{{\[}}[[MAG_LO]]:[[OUT_HI]]{{\]}}
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_out_f64_mag_f64_sign_f16(
+  double addrspace(1)* %arg_out,
+  double addrspace(1)* %arg_mag,
+  half addrspace(1)* %arg_sign) {
+entry:
+  %mag = load double, double addrspace(1)* %arg_mag
+  %sign = load half, half addrspace(1)* %arg_sign
+  %sign.ext = fpext half %sign to double
+  %out = call double @llvm.copysign.f64(double %mag, double %sign.ext)
+  store double %out, double addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_out_f16_mag_f16_sign_f32:
+; GCN-DAG: buffer_load_ushort v[[MAG:[0-9]+]]
+; GCN-DAG: buffer_load_dword v[[SIGN:[0-9]+]]
+; SI-DAG: s_brev_b32 s[[CONST:[0-9]+]], -2
+; SI-DAG: v_cvt_f32_f16_e32 v[[MAG_F32:[0-9]+]], v[[MAG]]
+; SI: v_bfi_b32 v[[OUT_F32:[0-9]+]], s[[CONST]], v[[MAG_F32]], v[[SIGN]]
+; SI: v_cvt_f16_f32_e32 v[[OUT:[0-9]+]], v[[OUT_F32]]
+; GFX89-DAG: s_movk_i32 s[[CONST:[0-9]+]], 0x7fff
+; GFX89-DAG: v_lshrrev_b32_e32 v[[SIGN_SHIFT:[0-9]+]], 16, v[[SIGN]]
+; GFX89: v_bfi_b32 v[[OUT:[0-9]+]], s[[CONST]], v[[MAG]], v[[SIGN_SHIFT]]
+; GCN: buffer_store_short v[[OUT]]
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_out_f16_mag_f16_sign_f32(
+  half addrspace(1)* %arg_out,
+  half addrspace(1)* %arg_mag,
+  float addrspace(1)* %arg_sign) {
+entry:
+  %mag = load half, half addrspace(1)* %arg_mag
+  %sign = load float, float addrspace(1)* %arg_sign
+  %sign.trunc = fptrunc float %sign to half
+  %out = call half @llvm.copysign.f16(half %mag, half %sign.trunc)
+  store half %out, half addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_out_f16_mag_f16_sign_f64:
+; GCN-DAG: buffer_load_ushort v[[MAG:[0-9]+]]
+; GCN-DAG: buffer_load_dwordx2 v{{\[}}[[SIGN_LO:[0-9]+]]:[[SIGN_HI:[0-9]+]]{{\]}}
+; SI-DAG: s_brev_b32 s[[CONST:[0-9]+]], -2
+; SI-DAG: v_cvt_f32_f16_e32 v[[MAG_F32:[0-9]+]], v[[MAG]]
+; SI: v_bfi_b32 v[[OUT_F32:[0-9]+]], s[[CONST]], v[[MAG_F32]], v[[SIGN_HI]]
+; SI: v_cvt_f16_f32_e32 v[[OUT:[0-9]+]], v[[OUT_F32]]
+; GFX89-DAG: s_movk_i32 s[[CONST:[0-9]+]], 0x7fff
+; GFX89-DAG: v_lshrrev_b32_e32 v[[SIGN_SHIFT:[0-9]+]], 16, v[[SIGN_HI]]
+; GFX89: v_bfi_b32 v[[OUT:[0-9]+]], s[[CONST]], v[[MAG]], v[[SIGN_SHIFT]]
+; GCN: buffer_store_short v[[OUT]]
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_out_f16_mag_f16_sign_f64(
+  half addrspace(1)* %arg_out,
+  half addrspace(1)* %arg_mag,
+  double addrspace(1)* %arg_sign) {
+entry:
+  %mag = load half, half addrspace(1)* %arg_mag
+  %sign = load double, double addrspace(1)* %arg_sign
+  %sign.trunc = fptrunc double %sign to half
+  %out = call half @llvm.copysign.f16(half %mag, half %sign.trunc)
+  store half %out, half addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_out_f16_mag_f32_sign_f16:
+; GCN-DAG: buffer_load_dword v[[MAG:[0-9]+]]
+; GCN-DAG: buffer_load_ushort v[[SIGN:[0-9]+]]
+; SI-DAG: s_brev_b32 s[[CONST:[0-9]+]], -2
+; SI-DAG: v_cvt_f16_f32_e32 v[[MAG_TRUNC:[0-9]+]], v[[MAG]]
+; SI-DAG: v_cvt_f32_f16_e32 v[[SIGN_F32:[0-9]+]], v[[SIGN]]
+; SI-DAG: v_cvt_f32_f16_e32 v[[MAG_F32:[0-9]+]], v[[MAG_TRUNC]]
+; SI: v_bfi_b32 v[[OUT_F32:[0-9]+]], s[[CONST]], v[[MAG_F32]], v[[SIGN_F32]]
+; SI: v_cvt_f16_f32_e32 v[[OUT:[0-9]+]], v[[OUT_F32]]
+; GFX89-DAG: s_movk_i32 s[[CONST:[0-9]+]], 0x7fff
+; GFX89-DAG: v_cvt_f16_f32_e32 v[[MAG_TRUNC:[0-9]+]], v[[MAG]]
+; GFX89: v_bfi_b32 v[[OUT:[0-9]+]], s[[CONST]], v[[MAG_TRUNC]], v[[SIGN]]
+; GCN: buffer_store_short v[[OUT]]
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_out_f16_mag_f32_sign_f16(
+  half addrspace(1)* %arg_out,
+  float addrspace(1)* %arg_mag,
+  half addrspace(1)* %arg_sign) {
+entry:
+  %mag = load float, float addrspace(1)* %arg_mag
+  %mag.trunc = fptrunc float %mag to half
+  %sign = load half, half addrspace(1)* %arg_sign
+  %out = call half @llvm.copysign.f16(half %mag.trunc, half %sign)
+  store half %out, half addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_out_f16_mag_f64_sign_f16:
+; GCN: v_bfi_b32
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_out_f16_mag_f64_sign_f16(
+  half addrspace(1)* %arg_out,
+  double addrspace(1)* %arg_mag,
+  half addrspace(1)* %arg_sign) {
+entry:
+  %mag = load double, double addrspace(1)* %arg_mag
+  %mag.trunc = fptrunc double %mag to half
+  %sign = load half, half addrspace(1)* %arg_sign
+  %out = call half @llvm.copysign.f16(half %mag.trunc, half %sign)
+  store half %out, half addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_v2f16:
+; GCN: v_bfi_b32
+; GCN: v_bfi_b32
+; VI: v_or_b32_sdwa v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:WORD_0
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_v2f16(
+  <2 x half> addrspace(1)* %arg_out,
+  <2 x half> %arg_mag,
+  <2 x half> %arg_sign) {
+entry:
+  %out = call <2 x half> @llvm.copysign.v2f16(<2 x half> %arg_mag, <2 x half> %arg_sign)
+  store <2 x half> %out, <2 x half> addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_v3f16:
+; GCN: v_bfi_b32
+; GCN: v_bfi_b32
+; GCN: v_bfi_b32
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_v3f16(
+  <3 x half> addrspace(1)* %arg_out,
+  <3 x half> %arg_mag,
+  <3 x half> %arg_sign) {
+entry:
+  %out = call <3 x half> @llvm.copysign.v3f16(<3 x half> %arg_mag, <3 x half> %arg_sign)
+  store <3 x half> %out, <3 x half> addrspace(1)* %arg_out
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_copysign_v4f16:
+; GCN: v_bfi_b32
+; GCN: v_bfi_b32
+; GCN: v_bfi_b32
+; GCN: v_bfi_b32
+; GCN: s_endpgm
+define amdgpu_kernel void @test_copysign_v4f16(
+  <4 x half> addrspace(1)* %arg_out,
+  <4 x half> %arg_mag,
+  <4 x half> %arg_sign) {
+entry:
+  %out = call <4 x half> @llvm.copysign.v4f16(<4 x half> %arg_mag, <4 x half> %arg_sign)
+  store <4 x half> %out, <4 x half> addrspace(1)* %arg_out
+  ret void
+}