forked from OSchip/llvm-project
215 lines
7.5 KiB
Plaintext
215 lines
7.5 KiB
Plaintext
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// REQUIRES: x86-registered-target
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// REQUIRES: nvptx-registered-target
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// Make sure we handle target overloads correctly.
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu \
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// RUN: -fcuda-target-overloads -emit-llvm -o - %s \
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// RUN: | FileCheck -check-prefix=CHECK-BOTH -check-prefix=CHECK-HOST %s
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// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device \
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// RUN: -fcuda-target-overloads -emit-llvm -o - %s \
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// RUN: | FileCheck -check-prefix=CHECK-BOTH -check-prefix=CHECK-DEVICE %s
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// Check target overloads handling with disabled call target checks.
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// RUN: %clang_cc1 -DNOCHECKS -triple x86_64-unknown-linux-gnu -emit-llvm \
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// RUN: -fcuda-disable-target-call-checks -fcuda-target-overloads -o - %s \
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// RUN: | FileCheck -check-prefix=CHECK-BOTH -check-prefix=CHECK-HOST \
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// RUN: -check-prefix=CHECK-BOTH-NC -check-prefix=CHECK-HOST-NC %s
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// RUN: %clang_cc1 -DNOCHECKS -triple nvptx64-nvidia-cuda -emit-llvm \
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// RUN: -fcuda-disable-target-call-checks -fcuda-target-overloads \
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// RUN: -fcuda-is-device -o - %s \
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// RUN: | FileCheck -check-prefix=CHECK-BOTH -check-prefix=CHECK-DEVICE \
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// RUN: -check-prefix=CHECK-BOTH-NC -check-prefix=CHECK-DEVICE-NC %s
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#include "Inputs/cuda.h"
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typedef int (*fp_t)(void);
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typedef void (*gp_t)(void);
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// CHECK-HOST: @hp = global i32 ()* @_Z1hv
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// CHECK-HOST: @chp = global i32 ()* @ch
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// CHECK-HOST: @dhp = global i32 ()* @_Z2dhv
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// CHECK-HOST: @cdhp = global i32 ()* @cdh
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// CHECK-HOST: @gp = global void ()* @_Z1gv
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// CHECK-BOTH-LABEL: define i32 @_Z2dhv()
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__device__ int dh(void) { return 1; }
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// CHECK-DEVICE: ret i32 1
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__host__ int dh(void) { return 2; }
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// CHECK-HOST: ret i32 2
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// CHECK-BOTH-LABEL: define i32 @_Z2hdv()
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__host__ __device__ int hd(void) { return 3; }
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// CHECK-BOTH: ret i32 3
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// CHECK-DEVICE-LABEL: define i32 @_Z1dv()
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__device__ int d(void) { return 8; }
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// CHECK-DEVICE: ret i32 8
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// CHECK-HOST-LABEL: define i32 @_Z1hv()
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__host__ int h(void) { return 9; }
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// CHECK-HOST: ret i32 9
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// CHECK-BOTH-LABEL: define void @_Z1gv()
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__global__ void g(void) {}
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// CHECK-BOTH: ret void
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// mangled names of extern "C" __host__ __device__ functions clash
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// with those of their __host__/__device__ counterparts, so
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// overloading of extern "C" functions can only happen for __host__
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// and __device__ functions -- we never codegen them in the same
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// compilation and therefore mangled name conflict is not a problem.
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// CHECK-BOTH-LABEL: define i32 @cdh()
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extern "C" __device__ int cdh(void) {return 10;}
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// CHECK-DEVICE: ret i32 10
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extern "C" __host__ int cdh(void) {return 11;}
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// CHECK-HOST: ret i32 11
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// CHECK-DEVICE-LABEL: define i32 @cd()
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extern "C" __device__ int cd(void) {return 12;}
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// CHECK-DEVICE: ret i32 12
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// CHECK-HOST-LABEL: define i32 @ch()
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extern "C" __host__ int ch(void) {return 13;}
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// CHECK-HOST: ret i32 13
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// CHECK-BOTH-LABEL: define i32 @chd()
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extern "C" __host__ __device__ int chd(void) {return 14;}
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// CHECK-BOTH: ret i32 14
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// CHECK-HOST-LABEL: define void @_Z5hostfv()
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__host__ void hostf(void) {
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#if defined (NOCHECKS)
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fp_t dp = d; // CHECK-HOST-NC: store {{.*}} @_Z1dv, {{.*}} %dp,
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fp_t cdp = cd; // CHECK-HOST-NC: store {{.*}} @cd, {{.*}} %cdp,
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#endif
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fp_t hp = h; // CHECK-HOST: store {{.*}} @_Z1hv, {{.*}} %hp,
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fp_t chp = ch; // CHECK-HOST: store {{.*}} @ch, {{.*}} %chp,
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fp_t dhp = dh; // CHECK-HOST: store {{.*}} @_Z2dhv, {{.*}} %dhp,
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fp_t cdhp = cdh; // CHECK-HOST: store {{.*}} @cdh, {{.*}} %cdhp,
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fp_t hdp = hd; // CHECK-HOST: store {{.*}} @_Z2hdv, {{.*}} %hdp,
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fp_t chdp = chd; // CHECK-HOST: store {{.*}} @chd, {{.*}} %chdp,
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gp_t gp = g; // CHECK-HOST: store {{.*}} @_Z1gv, {{.*}} %gp,
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#if defined (NOCHECKS)
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d(); // CHECK-HOST-NC: call i32 @_Z1dv()
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cd(); // CHECK-HOST-NC: call i32 @cd()
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#endif
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h(); // CHECK-HOST: call i32 @_Z1hv()
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ch(); // CHECK-HOST: call i32 @ch()
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dh(); // CHECK-HOST: call i32 @_Z2dhv()
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cdh(); // CHECK-HOST: call i32 @cdh()
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g<<<0,0>>>(); // CHECK-HOST: call void @_Z1gv()
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}
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// CHECK-DEVICE-LABEL: define void @_Z7devicefv()
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__device__ void devicef(void) {
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fp_t dp = d; // CHECK-DEVICE: store {{.*}} @_Z1dv, {{.*}} %dp,
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fp_t cdp = cd; // CHECK-DEVICE: store {{.*}} @cd, {{.*}} %cdp,
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#if defined (NOCHECKS)
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fp_t hp = h; // CHECK-DEVICE-NC: store {{.*}} @_Z1hv, {{.*}} %hp,
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fp_t chp = ch; // CHECK-DEVICE-NC: store {{.*}} @ch, {{.*}} %chp,
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#endif
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fp_t dhp = dh; // CHECK-DEVICE: store {{.*}} @_Z2dhv, {{.*}} %dhp,
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fp_t cdhp = cdh; // CHECK-DEVICE: store {{.*}} @cdh, {{.*}} %cdhp,
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fp_t hdp = hd; // CHECK-DEVICE: store {{.*}} @_Z2hdv, {{.*}} %hdp,
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fp_t chdp = chd; // CHECK-DEVICE: store {{.*}} @chd, {{.*}} %chdp,
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d(); // CHECK-DEVICE: call i32 @_Z1dv()
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cd(); // CHECK-DEVICE: call i32 @cd()
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#if defined (NOCHECKS)
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h(); // CHECK-DEVICE-NC: call i32 @_Z1hv()
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ch(); // CHECK-DEVICE-NC: call i32 @ch()
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#endif
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dh(); // CHECK-DEVICE: call i32 @_Z2dhv()
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cdh(); // CHECK-DEVICE: call i32 @cdh()
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}
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// CHECK-BOTH-LABEL: define void @_Z11hostdevicefv()
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__host__ __device__ void hostdevicef(void) {
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#if defined (NOCHECKS)
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fp_t dp = d; // CHECK-BOTH-NC: store {{.*}} @_Z1dv, {{.*}} %dp,
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fp_t cdp = cd; // CHECK-BOTH-NC: store {{.*}} @cd, {{.*}} %cdp,
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fp_t hp = h; // CHECK-BOTH-NC: store {{.*}} @_Z1hv, {{.*}} %hp,
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fp_t chp = ch; // CHECK-BOTH-NC: store {{.*}} @ch, {{.*}} %chp,
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#endif
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fp_t dhp = dh; // CHECK-BOTH: store {{.*}} @_Z2dhv, {{.*}} %dhp,
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fp_t cdhp = cdh; // CHECK-BOTH: store {{.*}} @cdh, {{.*}} %cdhp,
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fp_t hdp = hd; // CHECK-BOTH: store {{.*}} @_Z2hdv, {{.*}} %hdp,
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fp_t chdp = chd; // CHECK-BOTH: store {{.*}} @chd, {{.*}} %chdp,
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#if defined (NOCHECKS) && !defined(__CUDA_ARCH__)
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gp_t gp = g; // CHECK-HOST-NC: store {{.*}} @_Z1gv, {{.*}} %gp,
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#endif
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#if defined (NOCHECKS)
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d(); // CHECK-BOTH-NC: call i32 @_Z1dv()
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cd(); // CHECK-BOTH-NC: call i32 @cd()
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h(); // CHECK-BOTH-NC: call i32 @_Z1hv()
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ch(); // CHECK-BOTH-NC: call i32 @ch()
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#endif
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dh(); // CHECK-BOTH: call i32 @_Z2dhv()
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cdh(); // CHECK-BOTH: call i32 @cdh()
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#if defined (NOCHECKS) && !defined(__CUDA_ARCH__)
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g<<<0,0>>>(); // CHECK-HOST-NC: call void @_Z1gv()
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#endif
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}
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// Test for address of overloaded function resolution in the global context.
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fp_t hp = h;
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fp_t chp = ch;
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fp_t dhp = dh;
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fp_t cdhp = cdh;
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gp_t gp = g;
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int x;
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// Check constructors/destructors for D/H functions
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struct s_cd_dh {
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__host__ s_cd_dh() { x = 11; }
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__device__ s_cd_dh() { x = 12; }
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__host__ ~s_cd_dh() { x = 21; }
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__device__ ~s_cd_dh() { x = 22; }
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};
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struct s_cd_hd {
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__host__ __device__ s_cd_hd() { x = 31; }
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__host__ __device__ ~s_cd_hd() { x = 32; }
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};
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// CHECK-BOTH: define void @_Z7wrapperv
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#if defined(__CUDA_ARCH__)
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__device__
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#else
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__host__
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#endif
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void wrapper() {
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s_cd_dh scddh;
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// CHECK-BOTH: call void @_ZN7s_cd_dhC1Ev(
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s_cd_hd scdhd;
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// CHECK-BOTH: call void @_ZN7s_cd_hdC1Ev
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// CHECK-BOTH: call void @_ZN7s_cd_hdD1Ev(
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// CHECK-BOTH: call void @_ZN7s_cd_dhD1Ev(
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}
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// CHECK-BOTH: ret void
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// Now it's time to check what's been generated for the methods we used.
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// CHECK-BOTH: define linkonce_odr void @_ZN7s_cd_dhC2Ev(
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// CHECK-HOST: store i32 11,
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// CHECK-DEVICE: store i32 12,
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// CHECK-BOTH: ret void
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// CHECK-BOTH: define linkonce_odr void @_ZN7s_cd_hdC2Ev(
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// CHECK-BOTH: store i32 31,
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// CHECK-BOTH: ret void
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// CHECK-BOTH: define linkonce_odr void @_ZN7s_cd_hdD2Ev(
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// CHECK-BOTH: store i32 32,
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// CHECK-BOTH: ret void
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// CHECK-BOTH: define linkonce_odr void @_ZN7s_cd_dhD2Ev(
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// CHECK-HOST: store i32 21,
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// CHECK-DEVICE: store i32 22,
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// CHECK-BOTH: ret void
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