1; RUN: opt %loadPolly -analyze -polly-scops < %s | FileCheck %s -check-prefix=SCOP 2; RUN: opt %loadPolly -S -polly-codegen-ppcg < %s | FileCheck %s -check-prefix=HOST-IR 3 4; REQUIRES: pollyacc 5 6; SCOP: Function: f 7; SCOP-NEXT: Region: %for.body---%for.end 8; SCOP-NEXT: Max Loop Depth: 1 9 10; Check that kernel launch is generated in host IR. 11; the declare would not be generated unless a call to a kernel exists. 12; HOST-IR: declare void @polly_launchKernel(i8*, i32, i32, i32, i32, i32, i8*) 13 14; void f(int A[], int B[], int control, int C[]) { 15; int x; 16; #pragma scop 17; for(int i = 0; i < 1000; i ++) { 18; x = 0; 19; if(control) x = C[i]; 20; B[i] = x * A[i]; 21; 22; } 23; #pragma endscop 24; } 25 26target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 27 28define void @f(i32* %A, i32* %B, i32 %control, i32* %C) { 29entry: 30 br label %entry.split 31 32entry.split: ; preds = %entry 33 br label %for.body 34 35for.body: ; preds = %entry.split, %if.end 36 %indvars.iv = phi i64 [ 0, %entry.split ], [ %indvars.iv.next, %if.end ] 37 %tobool = icmp eq i32 %control, 0 38 br i1 %tobool, label %if.end, label %if.then 39 40if.then: ; preds = %for.body 41 %arrayidx = getelementptr inbounds i32, i32* %C, i64 %indvars.iv 42 %tmp4 = load i32, i32* %arrayidx, align 4 43 br label %if.end 44 45if.end: ; preds = %for.body, %if.then 46 %x.0 = phi i32 [ %tmp4, %if.then ], [ 0, %for.body ] 47 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 48 %tmp8 = load i32, i32* %arrayidx2, align 4 49 %mul = mul nsw i32 %tmp8, %x.0 50 %arrayidx4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv 51 store i32 %mul, i32* %arrayidx4, align 4 52 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 53 %exitcond = icmp ne i64 %indvars.iv.next, 1000 54 br i1 %exitcond, label %for.body, label %for.end 55 56for.end: ; preds = %if.end 57 ret void 58} 59