| ; REQUIRES: nvptx-registered-target |
| ; RUN: opt %loadPolly -basicaa -polly-import-jscop -polly-import-jscop-dir=%S -polly-import-jscop-postfix=transformed+gpu -enable-polly-gpgpu -polly-gpgpu-triple=nvptx64-unknown-unknown -polly-codegen < %s -S | FileCheck %s |
| |
| ;int A[128][128]; |
| ; |
| ;int gpu_no_pure() { |
| ; int i,j,k; |
| ; |
| ; for(i = 0; i < 128; i++) |
| ; for(j = 0; j < 128; j++) |
| ; for(k = 0; k < 256; k++) |
| ; A[i][j] += i*123/(k+1)+5-j*k-123; |
| ; |
| ; return 0; |
| ;} |
| ; |
| ;int main() { |
| ; int b = gpu_no_pure(); |
| ; return 0; |
| ;} |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @A = common global [128 x [128 x i32]] zeroinitializer, align 16 |
| |
| define i32 @gpu_no_pure() nounwind uwtable { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc16, %entry |
| %indvars.iv2 = phi i64 [ %indvars.iv.next3, %for.inc16 ], [ 0, %entry ] |
| %lftr.wideiv5 = trunc i64 %indvars.iv2 to i32 |
| %exitcond6 = icmp ne i32 %lftr.wideiv5, 128 |
| br i1 %exitcond6, label %for.body, label %for.end18 |
| |
| for.body: ; preds = %for.cond |
| br label %for.cond1 |
| |
| for.cond1: ; preds = %for.inc13, %for.body |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc13 ], [ 0, %for.body ] |
| %lftr.wideiv = trunc i64 %indvars.iv to i32 |
| %exitcond1 = icmp ne i32 %lftr.wideiv, 128 |
| br i1 %exitcond1, label %for.body3, label %for.end15 |
| |
| for.body3: ; preds = %for.cond1 |
| br label %for.cond4 |
| |
| for.cond4: ; preds = %for.inc, %for.body3 |
| %k.0 = phi i32 [ 0, %for.body3 ], [ %inc, %for.inc ] |
| %exitcond = icmp ne i32 %k.0, 256 |
| br i1 %exitcond, label %for.body6, label %for.end |
| |
| for.body6: ; preds = %for.cond4 |
| %tmp = mul nsw i64 %indvars.iv2, 123 |
| %add = add nsw i32 %k.0, 1 |
| %tmp7 = trunc i64 %tmp to i32 |
| %div = sdiv i32 %tmp7, %add |
| %add7 = add nsw i32 %div, 5 |
| %tmp8 = trunc i64 %indvars.iv to i32 |
| %mul8 = mul nsw i32 %tmp8, %k.0 |
| %sub = sub nsw i32 %add7, %mul8 |
| %sub9 = add nsw i32 %sub, -123 |
| %arrayidx11 = getelementptr inbounds [128 x [128 x i32]]* @A, i64 0, i64 %indvars.iv2, i64 %indvars.iv |
| %tmp9 = load i32* %arrayidx11, align 4 |
| %add12 = add nsw i32 %tmp9, %sub9 |
| store i32 %add12, i32* %arrayidx11, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body6 |
| %inc = add nsw i32 %k.0, 1 |
| br label %for.cond4 |
| |
| for.end: ; preds = %for.cond4 |
| br label %for.inc13 |
| |
| for.inc13: ; preds = %for.end |
| %indvars.iv.next = add i64 %indvars.iv, 1 |
| br label %for.cond1 |
| |
| for.end15: ; preds = %for.cond1 |
| br label %for.inc16 |
| |
| for.inc16: ; preds = %for.end15 |
| %indvars.iv.next3 = add i64 %indvars.iv2, 1 |
| br label %for.cond |
| |
| for.end18: ; preds = %for.cond |
| ret i32 0 |
| } |
| |
| define i32 @main() nounwind uwtable { |
| entry: |
| %call = call i32 @gpu_no_pure() |
| ret i32 0 |
| } |
| |
| ; CHECK: call void @polly_initDevice |
| ; CHECK: call void @polly_getPTXModule |
| ; CHECK: call void @polly_getPTXKernelEntry |
| ; CHECK: call void @polly_allocateMemoryForHostAndDevice |
| ; CHECK: call void @polly_setKernelParameters |
| ; CHECK: call void @polly_startTimerByCudaEvent |
| ; CHECK: call void @polly_launchKernel |
| ; CHECK: call void @polly_copyFromDeviceToHost |
| ; CHECK: call void @polly_stopTimerByCudaEvent |
| ; CHECK: call void @polly_cleanupGPGPUResources |