| ; RUN: opt %loadPolly -analyze -polly-scops < %s | FileCheck %s -check-prefix=SCOP |
| ; RUN: opt %loadPolly -S -polly-codegen-ppcg < %s | FileCheck %s -check-prefix=HOST-IR |
| |
| ; REQUIRES: pollyacc |
| |
| ; SCOP: Function: f |
| ; SCOP-NEXT: Region: %for.body---%for.end |
| ; SCOP-NEXT: Max Loop Depth: 1 |
| |
| ; Check that kernel launch is generated in host IR. |
| ; the declare would not be generated unless a call to a kernel exists. |
| ; HOST-IR: declare void @polly_launchKernel(i8*, i32, i32, i32, i32, i32, i8*) |
| |
| ; void f(int A[], int B[], int control, int C[]) { |
| ; int x; |
| ; #pragma scop |
| ; for(int i = 0; i < 1000; i ++) { |
| ; x = 0; |
| ; if(control) x = C[i]; |
| ; B[i] = x * A[i]; |
| ; |
| ; } |
| ; #pragma endscop |
| ; } |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @f(i32* %A, i32* %B, i32 %control, i32* %C) { |
| entry: |
| br label %entry.split |
| |
| entry.split: ; preds = %entry |
| br label %for.body |
| |
| for.body: ; preds = %entry.split, %if.end |
| %indvars.iv = phi i64 [ 0, %entry.split ], [ %indvars.iv.next, %if.end ] |
| %tobool = icmp eq i32 %control, 0 |
| br i1 %tobool, label %if.end, label %if.then |
| |
| if.then: ; preds = %for.body |
| %arrayidx = getelementptr inbounds i32, i32* %C, i64 %indvars.iv |
| %tmp4 = load i32, i32* %arrayidx, align 4 |
| br label %if.end |
| |
| if.end: ; preds = %for.body, %if.then |
| %x.0 = phi i32 [ %tmp4, %if.then ], [ 0, %for.body ] |
| %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| %tmp8 = load i32, i32* %arrayidx2, align 4 |
| %mul = mul nsw i32 %tmp8, %x.0 |
| %arrayidx4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv |
| store i32 %mul, i32* %arrayidx4, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp ne i64 %indvars.iv.next, 1000 |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.end: ; preds = %if.end |
| ret void |
| } |