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94473f4db6
Generate nuw GEPs for struct member accesses, as inbounds + non-negative implies nuw. Regression tests are updated using update scripts where possible, and by find + replace where not.
136 lines
4.8 KiB
Plaintext
136 lines
4.8 KiB
Plaintext
// RUN: %clang_cc1 -x hip -emit-llvm -std=c++11 %s -o - \
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// RUN: -triple x86_64-linux-gnu \
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// RUN: | FileCheck -check-prefix=HOST %s
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// RUN: %clang_cc1 -x hip -emit-llvm -std=c++11 %s -o - \
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// RUN: -triple amdgcn-amd-amdhsa -fcuda-is-device \
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// RUN: | FileCheck -check-prefix=DEV %s
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#include "Inputs/cuda.h"
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// HOST: %[[T1:.*]] = type <{ ptr, i32, [4 x i8] }>
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// HOST: %[[T2:.*]] = type { ptr, ptr }
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// HOST: %[[T3:.*]] = type <{ ptr, i32, [4 x i8] }>
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// DEV: %[[T1:.*]] = type { ptr }
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// DEV: %[[T2:.*]] = type { ptr }
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// DEV: %[[T3:.*]] = type <{ ptr, i32, [4 x i8] }>
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int global_host_var;
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__device__ int global_device_var;
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template<class F>
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__global__ void kern(F f) { f(); }
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// DEV-LABEL: @_ZZ27dev_capture_dev_ref_by_copyPiENKUlvE_clEv(
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// DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: store i32 %[[VAL]]
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__device__ void dev_capture_dev_ref_by_copy(int *out) {
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int &ref = global_device_var;
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[=](){ *out = ref;}();
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}
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// DEV-LABEL: @_ZZ28dev_capture_dev_rval_by_copyPiENKUlvE_clEv(
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// DEV: store i32 3
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__device__ void dev_capture_dev_rval_by_copy(int *out) {
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constexpr int a = 1;
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constexpr int b = 2;
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constexpr int c = a + b;
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[=](){ *out = c;}();
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}
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// DEV-LABEL: @_ZZ26dev_capture_dev_ref_by_refPiENKUlvE_clEv(
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// DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
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// DEV: store i32 %[[VAL2]], ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: store i32 %[[VAL]]
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__device__ void dev_capture_dev_ref_by_ref(int *out) {
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int &ref = global_device_var;
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[&](){ ref++; *out = ref;}();
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}
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// DEV-LABEL: define{{.*}} void @_Z7dev_refPi(
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// DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
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// DEV: store i32 %[[VAL2]], ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: store i32 %[[VAL]]
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__device__ void dev_ref(int *out) {
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int &ref = global_device_var;
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ref++;
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*out = ref;
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}
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// DEV-LABEL: @_ZZ14dev_lambda_refPiENKUlvE_clEv(
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// DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
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// DEV: store i32 %[[VAL2]], ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
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// DEV: store i32 %[[VAL]]
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__device__ void dev_lambda_ref(int *out) {
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[=](){
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int &ref = global_device_var;
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ref++;
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*out = ref;
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}();
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}
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// HOST-LABEL: @_ZZ29host_capture_host_ref_by_copyPiENKUlvE_clEv(
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// HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
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// HOST: store i32 %[[VAL]]
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void host_capture_host_ref_by_copy(int *out) {
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int &ref = global_host_var;
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[=](){ *out = ref;}();
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}
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// HOST-LABEL: @_ZZ28host_capture_host_ref_by_refPiENKUlvE_clEv(
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// HOST: %[[CAP:.*]] = getelementptr inbounds nuw %[[T2]], ptr %this1, i32 0, i32 0
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// HOST: %[[REF:.*]] = load ptr, ptr %[[CAP]]
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// HOST: %[[VAL:.*]] = load i32, ptr %[[REF]]
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// HOST: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
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// HOST: store i32 %[[VAL2]], ptr %[[REF]]
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// HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
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// HOST: store i32 %[[VAL]]
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void host_capture_host_ref_by_ref(int *out) {
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int &ref = global_host_var;
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[&](){ ref++; *out = ref;}();
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}
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// HOST-LABEL: define{{.*}} void @_Z8host_refPi(
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// HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
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// HOST: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
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// HOST: store i32 %[[VAL2]], ptr @global_host_var
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// HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
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// HOST: store i32 %[[VAL]]
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void host_ref(int *out) {
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int &ref = global_host_var;
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ref++;
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*out = ref;
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}
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// HOST-LABEL: @_ZZ15host_lambda_refPiENKUlvE_clEv(
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// HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
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// HOST: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
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// HOST: store i32 %[[VAL2]], ptr @global_host_var
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// HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
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// HOST: store i32 %[[VAL]]
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void host_lambda_ref(int *out) {
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[=](){
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int &ref = global_host_var;
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ref++;
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*out = ref;
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}();
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}
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// HOST-LABEL: define{{.*}} void @_Z28dev_capture_host_ref_by_copyPi(
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// HOST: %[[CAP:.*]] = getelementptr inbounds nuw %[[T3]], ptr %{{.*}}, i32 0, i32 1
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// HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
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// HOST: store i32 %[[VAL]], ptr %[[CAP]]
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// DEV-LABEL: define internal void @_ZZ28dev_capture_host_ref_by_copyPiENKUlvE_clEv(
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// DEV: %[[CAP:.*]] = getelementptr inbounds nuw %[[T3]], ptr %this1, i32 0, i32 1
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// DEV: %[[VAL:.*]] = load i32, ptr %[[CAP]]
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// DEV: store i32 %[[VAL]]
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void dev_capture_host_ref_by_copy(int *out) {
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int &ref = global_host_var;
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kern<<<1, 1>>>([=]__device__() { *out = ref;});
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}
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