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
6 ; Check that we detect a scop.
7 ; SCOP: Function: checkScalarKill
8 ; SCOP-NEXT: Region: %XLoopInit---%for.end
9 ; SCOP-NEXT: Max Loop Depth: 1
11 ; Check that we have a scalar that is not a phi node in the scop.
12 ; SCOP: i32 MemRef_x_0; // Element size 4
14 ; Check that kernel launch is generated in host IR.
15 ; the declare would not be generated unless a call to a kernel exists.
16 ; HOST-IR: declare void @polly_launchKernel(i8*, i32, i32, i32, i32, i32, i8*)
18 ; Check that we add variables that are local to a scop into the kills that we
19 ; pass to PPCG. This should enable PPCG to codegen this example.
20 ; void checkScalarKill(int A[], int B[], int C[], const int control1, int control2) {
23 ; for(int i = 0; i < 1000; i++) {
31 ; BLoopAccumX: B[i] += x;
36 ; ModuleID = 'test.ll'
37 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
39 define void @checkScalarKill(i32* %A, i32* %B, i32* %C, i32 %control1, i32 %control2) {
43 entry.split: ; preds = %entry
46 XLoopInit: ; preds = %entry.split, %BLoopAccumX
47 %indvars.iv = phi i64 [ 0, %entry.split ], [ %indvars.iv.next, %BLoopAccumX ]
48 %cmp1 = icmp sgt i32 %control1, 2
49 %x.0 = select i1 %cmp1, i32 10, i32 0
50 %cmp2 = icmp sgt i32 %control2, 3
51 br i1 %cmp2, label %C2Add, label %BLoopAccumX
53 C2Add: ; preds = %XLoopInit
54 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
55 %tmp6 = load i32, i32* %arrayidx, align 4
56 %add4 = add nsw i32 %tmp6, %x.0
59 BLoopAccumX: ; preds = %XLoopInit, %C2Add
60 %x.1 = phi i32 [ %add4, %C2Add ], [ %x.0, %XLoopInit ]
61 %arrayidx7 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
62 %tmp11 = load i32, i32* %arrayidx7, align 4
63 %add8 = add nsw i32 %tmp11, %x.1
64 store i32 %add8, i32* %arrayidx7, align 4
65 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
66 %exitcond = icmp ne i64 %indvars.iv.next, 1000
67 br i1 %exitcond, label %XLoopInit, label %for.end
69 for.end: ; preds = %BLoopAccumX