177 lines
4.5 KiB
C
177 lines
4.5 KiB
C
// REQUIRES: nvptx-registered-target
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// REQUIRES: nvptx64-registered-target
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// RUN: %clang_cc1 -triple nvptx-unknown-unknown -S -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple nvptx64-unknown-unknown -S -emit-llvm -o - %s | FileCheck %s
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int read_tid() {
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// CHECK: call i32 @llvm.ptx.read.tid.x()
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// CHECK: call i32 @llvm.ptx.read.tid.y()
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// CHECK: call i32 @llvm.ptx.read.tid.z()
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// CHECK: call i32 @llvm.ptx.read.tid.w()
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int x = __builtin_ptx_read_tid_x();
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int y = __builtin_ptx_read_tid_y();
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int z = __builtin_ptx_read_tid_z();
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int w = __builtin_ptx_read_tid_w();
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return x + y + z + w;
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}
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int read_ntid() {
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// CHECK: call i32 @llvm.ptx.read.ntid.x()
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// CHECK: call i32 @llvm.ptx.read.ntid.y()
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// CHECK: call i32 @llvm.ptx.read.ntid.z()
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// CHECK: call i32 @llvm.ptx.read.ntid.w()
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int x = __builtin_ptx_read_ntid_x();
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int y = __builtin_ptx_read_ntid_y();
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int z = __builtin_ptx_read_ntid_z();
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int w = __builtin_ptx_read_ntid_w();
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return x + y + z + w;
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}
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int read_ctaid() {
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// CHECK: call i32 @llvm.ptx.read.ctaid.x()
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// CHECK: call i32 @llvm.ptx.read.ctaid.y()
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// CHECK: call i32 @llvm.ptx.read.ctaid.z()
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// CHECK: call i32 @llvm.ptx.read.ctaid.w()
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int x = __builtin_ptx_read_ctaid_x();
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int y = __builtin_ptx_read_ctaid_y();
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int z = __builtin_ptx_read_ctaid_z();
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int w = __builtin_ptx_read_ctaid_w();
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return x + y + z + w;
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}
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int read_nctaid() {
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// CHECK: call i32 @llvm.ptx.read.nctaid.x()
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// CHECK: call i32 @llvm.ptx.read.nctaid.y()
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// CHECK: call i32 @llvm.ptx.read.nctaid.z()
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// CHECK: call i32 @llvm.ptx.read.nctaid.w()
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int x = __builtin_ptx_read_nctaid_x();
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int y = __builtin_ptx_read_nctaid_y();
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int z = __builtin_ptx_read_nctaid_z();
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int w = __builtin_ptx_read_nctaid_w();
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return x + y + z + w;
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}
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int read_ids() {
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// CHECK: call i32 @llvm.ptx.read.laneid()
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// CHECK: call i32 @llvm.ptx.read.warpid()
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// CHECK: call i32 @llvm.ptx.read.nwarpid()
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// CHECK: call i32 @llvm.ptx.read.smid()
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// CHECK: call i32 @llvm.ptx.read.nsmid()
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// CHECK: call i32 @llvm.ptx.read.gridid()
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int a = __builtin_ptx_read_laneid();
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int b = __builtin_ptx_read_warpid();
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int c = __builtin_ptx_read_nwarpid();
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int d = __builtin_ptx_read_smid();
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int e = __builtin_ptx_read_nsmid();
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int f = __builtin_ptx_read_gridid();
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return a + b + c + d + e + f;
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}
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int read_lanemasks() {
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// CHECK: call i32 @llvm.ptx.read.lanemask.eq()
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// CHECK: call i32 @llvm.ptx.read.lanemask.le()
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// CHECK: call i32 @llvm.ptx.read.lanemask.lt()
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// CHECK: call i32 @llvm.ptx.read.lanemask.ge()
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// CHECK: call i32 @llvm.ptx.read.lanemask.gt()
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int a = __builtin_ptx_read_lanemask_eq();
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int b = __builtin_ptx_read_lanemask_le();
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int c = __builtin_ptx_read_lanemask_lt();
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int d = __builtin_ptx_read_lanemask_ge();
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int e = __builtin_ptx_read_lanemask_gt();
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return a + b + c + d + e;
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}
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long read_clocks() {
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// CHECK: call i32 @llvm.ptx.read.clock()
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// CHECK: call i64 @llvm.ptx.read.clock64()
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int a = __builtin_ptx_read_clock();
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long b = __builtin_ptx_read_clock64();
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return (long)a + b;
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}
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int read_pms() {
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// CHECK: call i32 @llvm.ptx.read.pm0()
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// CHECK: call i32 @llvm.ptx.read.pm1()
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// CHECK: call i32 @llvm.ptx.read.pm2()
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// CHECK: call i32 @llvm.ptx.read.pm3()
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int a = __builtin_ptx_read_pm0();
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int b = __builtin_ptx_read_pm1();
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int c = __builtin_ptx_read_pm2();
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int d = __builtin_ptx_read_pm3();
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return a + b + c + d;
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}
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void sync() {
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// CHECK: call void @llvm.ptx.bar.sync(i32 0)
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__builtin_ptx_bar_sync(0);
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}
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// NVVM intrinsics
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// The idea is not to test all intrinsics, just that Clang is recognizing the
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// builtins defined in BuiltinsNVPTX.def
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void nvvm_math(float f1, float f2, double d1, double d2) {
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// CHECK: call float @llvm.nvvm.fmax.f
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float t1 = __nvvm_fmax_f(f1, f2);
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// CHECK: call float @llvm.nvvm.fmin.f
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float t2 = __nvvm_fmin_f(f1, f2);
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// CHECK: call float @llvm.nvvm.sqrt.rn.f
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float t3 = __nvvm_sqrt_rn_f(f1);
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// CHECK: call float @llvm.nvvm.rcp.rn.f
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float t4 = __nvvm_rcp_rn_f(f2);
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// CHECK: call double @llvm.nvvm.fmax.d
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double td1 = __nvvm_fmax_d(d1, d2);
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// CHECK: call double @llvm.nvvm.fmin.d
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double td2 = __nvvm_fmin_d(d1, d2);
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// CHECK: call double @llvm.nvvm.sqrt.rn.d
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double td3 = __nvvm_sqrt_rn_d(d1);
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// CHECK: call double @llvm.nvvm.rcp.rn.d
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double td4 = __nvvm_rcp_rn_d(d2);
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// CHECK: call void @llvm.nvvm.membar.cta()
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__nvvm_membar_cta();
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// CHECK: call void @llvm.nvvm.membar.gl()
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__nvvm_membar_gl();
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// CHECK: call void @llvm.nvvm.membar.sys()
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__nvvm_membar_sys();
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// CHECK: call void @llvm.nvvm.barrier0()
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__nvvm_bar0();
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}
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