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; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-code \
; RUN: -disable-output < %s | \
; RUN: FileCheck -check-prefix=CODE %s
; RUN: opt %loadPolly -polly-codegen-ppcg -S < %s | \
; RUN: FileCheck %s -check-prefix=IR
;
; REQUIRES: pollyacc
; CODE: cudaCheckReturn(cudaMemcpy(dev_MemRef_B, MemRef_B, (16) * sizeof(float), cudaMemcpyHostToDevice));
; CODE-NEXT: cudaCheckReturn(cudaMemcpy(dev_MemRef_A, MemRef_A, (8) * sizeof(float), cudaMemcpyHostToDevice));
; CODE: dim3 k0_dimBlock(8);
; CODE-NEXT: dim3 k0_dimGrid(1);
; CODE-NEXT: kernel0 <<<k0_dimGrid, k0_dimBlock>>> (dev_MemRef_B);
; CODE-NEXT: cudaCheckKernel();
; CODE-NEXT: }
; CODE: {
; CODE-NEXT: dim3 k1_dimBlock(8);
; CODE-NEXT: dim3 k1_dimGrid(1);
; CODE-NEXT: kernel1 <<<k1_dimGrid, k1_dimBlock>>> (dev_MemRef_A);
; CODE-NEXT: cudaCheckKernel();
; CODE-NEXT: }
; CODE: cudaCheckReturn(cudaMemcpy(MemRef_B, dev_MemRef_B, (16) * sizeof(float), cudaMemcpyDeviceToHost));
; CODE-NEXT: cudaCheckReturn(cudaMemcpy(MemRef_A, dev_MemRef_A, (8) * sizeof(float), cudaMemcpyDeviceToHost));
; CODE: # kernel0
; CODE-NEXT: Stmt_bb3(t0);
; CODE: # kernel1
; CODE-NEXT: Stmt_bb11(t0);
; IR: %p_dev_array_MemRef_B = call i8* @polly_allocateMemoryForDevice(i64 32)
; IR-NEXT: %p_dev_array_MemRef_A = call i8* @polly_allocateMemoryForDevice(i64 32)
; IR-NEXT: [[REG0:%.+]] = getelementptr float, float* %B, i64 8
; IR-NEXT: [[REG1:%.+]] = bitcast float* [[REG0]] to i8*
; IR-NEXT: call void @polly_copyFromHostToDevice(i8* [[REG1]], i8* %p_dev_array_MemRef_B, i64 32)
; IR: [[REGA:%.+]] = call i8* @polly_getDevicePtr(i8* %p_dev_array_MemRef_B)
; IR-NEXT: [[REGB:%.+]] = bitcast i8* [[REGA]] to float*
; IR-NEXT: [[REGC:%.+]] = getelementptr float, float* [[REGB]], i64 -8
; IR-NEXT: [[REGD:%.+]] = bitcast float* [[REGC]] to i8*
; void foo(float A[], float B[]) {
; for (long i = 0; i < 8; i++)
; B[i + 8] *= 4;
;
; for (long i = 0; i < 8; i++)
; A[i] *= 12;
; }
;
; #ifdef OUTPUT
; int main() {
; float A[16];
;
; for (long i = 0; i < 16; i++) {
; __sync_synchronize();
; A[i] = i;
; }
;
; foo(A, A);
;
; float sum = 0;
; for (long i = 0; i < 16; i++) {
; __sync_synchronize();
; sum += A[i];
; }
;
; printf("%f\n", sum);
; }
; #endif
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @foo(float* %A, float* %B) {
bb:
br label %bb2
bb2: ; preds = %bb7, %bb
%i.0 = phi i64 [ 0, %bb ], [ %tmp8, %bb7 ]
%exitcond1 = icmp ne i64 %i.0, 8
br i1 %exitcond1, label %bb3, label %bb9
bb3: ; preds = %bb2
%tmp = add nuw nsw i64 %i.0, 8
%tmp4 = getelementptr inbounds float, float* %B, i64 %tmp
%tmp5 = load float, float* %tmp4, align 4
%tmp6 = fmul float %tmp5, 4.000000e+00
store float %tmp6, float* %tmp4, align 4
br label %bb7
bb7: ; preds = %bb3
%tmp8 = add nuw nsw i64 %i.0, 1
br label %bb2
bb9: ; preds = %bb2
br label %bb10
bb10: ; preds = %bb15, %bb9
%i1.0 = phi i64 [ 0, %bb9 ], [ %tmp16, %bb15 ]
%exitcond = icmp ne i64 %i1.0, 8
br i1 %exitcond, label %bb11, label %bb17
bb11: ; preds = %bb10
%tmp12 = getelementptr inbounds float, float* %A, i64 %i1.0
%tmp13 = load float, float* %tmp12, align 4
%tmp14 = fmul float %tmp13, 1.200000e+01
store float %tmp14, float* %tmp12, align 4
br label %bb15
bb15: ; preds = %bb11
%tmp16 = add nuw nsw i64 %i1.0, 1
br label %bb10
bb17: ; preds = %bb10
ret void
}
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