| ; RUN: opt %loadPolly -S -polly-process-unprofitable -polly-acc-mincompute=0 -polly-target=gpu -polly-codegen-ppcg -polly-acc-codegen-managed-memory < %s | \ |
| ; RUN: FileCheck %s |
| |
| ; REQUIRES: pollyacc |
| |
| ; |
| ; #include <cuda_runtime.h> |
| ; |
| ; static const int N = 45; |
| ; |
| ; void copy(int *R, int *A) { |
| ; for (int i = 0; i < N; i++) { |
| ; R[i] = A[i] * 10; |
| ; } |
| ; } |
| ; |
| ; int main() { |
| ; int *A, *R; |
| ; |
| ; cudaMallocManaged((void **)(&A), sizeof(int) * N, cudaMemAttachGlobal); |
| ; cudaMallocManaged((void **)(&R), sizeof(int) * N, cudaMemAttachGlobal); |
| ; |
| ; for (int i = 0; i < N; i++) { |
| ; A[i] = i; |
| ; R[i] = 0; |
| ; } |
| ; copy(R, A); |
| ; |
| ; return 0; |
| ; } |
| ; |
| |
| ; CHECK-NOT: polly_copyFromHostToDevice |
| ; CHECK-NOT: polly_copyFromDeviceToHost |
| ; CHECK-NOT: polly_freeDeviceMemory |
| ; CHECK-NOT: polly_allocateMemoryForDevice |
| |
| ; CHECK: %13 = call i8* @polly_initContextCUDA() |
| ; CHECK-NEXT: %14 = bitcast i32* %A to i8* |
| ; CHECK-NEXT: %15 = getelementptr [4 x i8*], [4 x i8*]* %polly_launch_0_params, i64 0, i64 0 |
| ; CHECK-NEXT: store i8* %14, i8** %polly_launch_0_param_0 |
| ; CHECK-NEXT: %16 = bitcast i8** %polly_launch_0_param_0 to i8* |
| ; CHECK-NEXT: store i8* %16, i8** %15 |
| ; CHECK-NEXT: %17 = bitcast i32* %R to i8* |
| ; CHECK-NEXT: %18 = getelementptr [4 x i8*], [4 x i8*]* %polly_launch_0_params, i64 0, i64 1 |
| ; CHECK-NEXT: store i8* %17, i8** %polly_launch_0_param_1 |
| ; CHECK-NEXT: %19 = bitcast i8** %polly_launch_0_param_1 to i8* |
| ; CHECK-NEXT: store i8* %19, i8** %18 |
| ; CHECK-NEXT: store i32 4, i32* %polly_launch_0_param_size_0 |
| ; CHECK-NEXT: %20 = getelementptr [4 x i8*], [4 x i8*]* %polly_launch_0_params, i64 0, i64 2 |
| ; CHECK-NEXT: %21 = bitcast i32* %polly_launch_0_param_size_0 to i8* |
| ; CHECK-NEXT: store i8* %21, i8** %20 |
| ; CHECK-NEXT: store i32 4, i32* %polly_launch_0_param_size_1 |
| ; CHECK-NEXT: %22 = getelementptr [4 x i8*], [4 x i8*]* %polly_launch_0_params, i64 0, i64 3 |
| ; CHECK-NEXT: %23 = bitcast i32* %polly_launch_0_param_size_1 to i8* |
| ; CHECK-NEXT: store i8* %23, i8** %22 |
| ; CHECK-NEXT: %24 = call i8* @polly_getKernel(i8* getelementptr inbounds ([852 x i8], [852 x i8]* @FUNC_copy_SCOP_0_KERNEL_0, i32 0, i32 0), i8* getelementptr inbounds ([26 x i8], [26 x i8]* @FUNC_copy_SCOP_0_KERNEL_0_name, i32 0, i32 0)) |
| ; CHECK-NEXT: call void @polly_launchKernel(i8* %24, i32 2, i32 1, i32 32, i32 1, i32 1, i8* %polly_launch_0_params_i8ptr) |
| ; CHECK-NEXT: call void @polly_freeKernel(i8* %24) |
| ; CHECK-NEXT: call void @polly_synchronizeDevice() |
| ; CHECK-NEXT: call void @polly_freeContext(i8* %13) |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @copy(i32* %R, i32* %A) { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] |
| %exitcond = icmp ne i64 %indvars.iv, 45 |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| %tmp = load i32, i32* %arrayidx, align 4 |
| %mul = mul nsw i32 %tmp, 10 |
| %arrayidx2 = getelementptr inbounds i32, i32* %R, i64 %indvars.iv |
| store i32 %mul, i32* %arrayidx2, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| ret void |
| } |
| |
| define i32 @main() { |
| entry: |
| %A = alloca i32*, align 8 |
| %R = alloca i32*, align 8 |
| %tmp = bitcast i32** %A to i8** |
| %call = call i32 @cudaMallocManaged(i8** nonnull %tmp, i64 180, i32 1) #2 |
| %tmp1 = bitcast i32** %R to i8** |
| %call1 = call i32 @cudaMallocManaged(i8** nonnull %tmp1, i64 180, i32 1) #2 |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] |
| %exitcond = icmp ne i64 %indvars.iv, 45 |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %tmp2 = load i32*, i32** %A, align 8 |
| %arrayidx = getelementptr inbounds i32, i32* %tmp2, i64 %indvars.iv |
| %tmp3 = trunc i64 %indvars.iv to i32 |
| store i32 %tmp3, i32* %arrayidx, align 4 |
| %tmp4 = load i32*, i32** %R, align 8 |
| %arrayidx3 = getelementptr inbounds i32, i32* %tmp4, i64 %indvars.iv |
| store i32 0, i32* %arrayidx3, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| %tmp5 = load i32*, i32** %R, align 8 |
| %tmp6 = load i32*, i32** %A, align 8 |
| call void @copy(i32* %tmp5, i32* %tmp6) |
| ret i32 0 |
| } |
| |
| declare i32 @cudaMallocManaged(i8**, i64, i32) #1 |