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35 lines
1.2 KiB
35 lines
1.2 KiB
4 months ago
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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx900 -S -emit-llvm -o - %s | FileCheck %s
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#pragma OPENCL EXTENSION cl_khr_fp16 : enable
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// CHECK-LABEL: test_interp_f16
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// CHECK: call float @llvm.amdgcn.interp.p1.f16
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// CHECK: call half @llvm.amdgcn.interp.p2.f16
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// CHECK: call float @llvm.amdgcn.interp.p1.f16
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// CHECK: call half @llvm.amdgcn.interp.p2.f16
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void test_interp_f16(global half* out, float i, float j, int m0)
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{
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float p1_0 = __builtin_amdgcn_interp_p1_f16(i, 2, 3, false, m0);
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half p2_0 = __builtin_amdgcn_interp_p2_f16(p1_0, j, 2, 3, false, m0);
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float p1_1 = __builtin_amdgcn_interp_p1_f16(i, 2, 3, true, m0);
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half p2_1 = __builtin_amdgcn_interp_p2_f16(p1_1, j, 2, 3, true, m0);
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*out = p2_0 + p2_1;
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}
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// CHECK-LABEL: test_interp_f32
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// CHECK: call float @llvm.amdgcn.interp.p1
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// CHECK: call float @llvm.amdgcn.interp.p2
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void test_interp_f32(global float* out, float i, float j, int m0)
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{
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float p1 = __builtin_amdgcn_interp_p1(i, 1, 4, m0);
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*out = __builtin_amdgcn_interp_p2(p1, j, 1, 4, m0);
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}
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// CHECK-LABEL: test_interp_mov
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// CHECK: call float @llvm.amdgcn.interp.mov
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void test_interp_mov(global float* out, float i, float j, int m0)
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{
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*out = __builtin_amdgcn_interp_mov(2, 3, 4, m0);
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}
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