forked from OSchip/llvm-project
119 lines
4.5 KiB
LLVM
119 lines
4.5 KiB
LLVM
; RUN: opt %loadPolly -S -polly-process-unprofitable -polly-acc-mincompute=0 -polly-target=gpu -polly-codegen-ppcg -polly-acc-codegen-managed-memory < %s | \
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; RUN: FileCheck %s
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; REQUIRES: pollyacc
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;
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; #include <cuda_runtime.h>
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;
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; static const int N = 45;
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;
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; void copy(int *R, int *A) {
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; for (int i = 0; i < N; i++) {
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; R[i] = A[i] * 10;
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; }
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; }
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;
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; int main() {
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; int *A, *R;
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;
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; cudaMallocManaged((void **)(&A), sizeof(int) * N, cudaMemAttachGlobal);
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; cudaMallocManaged((void **)(&R), sizeof(int) * N, cudaMemAttachGlobal);
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;
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; for (int i = 0; i < N; i++) {
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; A[i] = i;
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; R[i] = 0;
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; }
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; copy(R, A);
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;
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; return 0;
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; }
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;
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; CHECK-NOT: polly_copyFromHostToDevice
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; CHECK-NOT: polly_copyFromDeviceToHost
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; CHECK-NOT: polly_freeDeviceMemory
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; CHECK-NOT: polly_allocateMemoryForDevice
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; CHECK: %[[REGCTX:[0-9]+]] = call i8* @polly_initContextCUDA()
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; CHECK-NEXT: %[[REGCA:[0-9]+]] = bitcast i32* %A to i8*
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; CHECK-NEXT: %[[REGCR:[0-9]+]] = bitcast i32* %R to i8*
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; CHECK-NEXT: %[[REGGEP0:[0-9]+]] = getelementptr [2 x i8*], [2 x i8*]* %polly_launch_0_params, i64 0, i64 0
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; CHECK-NEXT: store i8* %[[REGCA]], i8** %polly_launch_0_param_0
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; CHECK-NEXT: %[[REGCP0:[0-9]+]] = bitcast i8** %polly_launch_0_param_0 to i8*
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; CHECK-NEXT: store i8* %[[REGCP0]], i8** %[[REGGEP0]]
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; CHECK-NEXT: %[[REGGEP1:[0-9]+]] = getelementptr [2 x i8*], [2 x i8*]* %polly_launch_0_params, i64 0, i64 1
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; CHECK-NEXT: store i8* %[[REGCR]], i8** %polly_launch_0_param_1
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; CHECK-NEXT: %[[REGCP1:[0-9]+]] = bitcast i8** %polly_launch_0_param_1 to i8*
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; CHECK-NEXT: store i8* %[[REGCP1]], i8** %[[REGGEP1]]
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; CHECK-NEXT: %[[REGKERNEL:[0-9]+]] = 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))
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; CHECK-NEXT: call void @polly_launchKernel(i8* %[[REGKERNEL]], i32 2, i32 1, i32 32, i32 1, i32 1, i8* %polly_launch_0_params_i8ptr)
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; CHECK-NEXT: call void @polly_freeKernel(i8* %[[REGKERNEL]])
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; CHECK-NEXT: call void @polly_synchronizeDevice()
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; CHECK-NEXT: call void @polly_freeContext(i8* %[[REGCTX]])
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @copy(i32* %R, i32* %A) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
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%exitcond = icmp ne i64 %indvars.iv, 45
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp = load i32, i32* %arrayidx, align 4
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%mul = mul nsw i32 %tmp, 10
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%arrayidx2 = getelementptr inbounds i32, i32* %R, i64 %indvars.iv
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store i32 %mul, i32* %arrayidx2, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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define i32 @main() {
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entry:
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%A = alloca i32*, align 8
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%R = alloca i32*, align 8
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%tmp = bitcast i32** %A to i8**
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%call = call i32 @cudaMallocManaged(i8** nonnull %tmp, i64 180, i32 1) #2
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%tmp1 = bitcast i32** %R to i8**
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%call1 = call i32 @cudaMallocManaged(i8** nonnull %tmp1, i64 180, i32 1) #2
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
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%exitcond = icmp ne i64 %indvars.iv, 45
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%tmp2 = load i32*, i32** %A, align 8
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%arrayidx = getelementptr inbounds i32, i32* %tmp2, i64 %indvars.iv
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%tmp3 = trunc i64 %indvars.iv to i32
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store i32 %tmp3, i32* %arrayidx, align 4
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%tmp4 = load i32*, i32** %R, align 8
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%arrayidx3 = getelementptr inbounds i32, i32* %tmp4, i64 %indvars.iv
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store i32 0, i32* %arrayidx3, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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%tmp5 = load i32*, i32** %R, align 8
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%tmp6 = load i32*, i32** %A, align 8
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call void @copy(i32* %tmp5, i32* %tmp6)
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ret i32 0
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}
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declare i32 @cudaMallocManaged(i8**, i64, i32) #1
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