1 ; RUN: opt %loadPolly -polly-codegen -polly-allow-nonaffine-loops \
2 ; RUN: -S < %s | FileCheck %s
4 ; This test verifies that values defined in another scop statement and used by
5 ; PHI-nodes in non-affine regions are code generated correctly.
7 ; CHECK: polly.stmt.bb3.entry:
8 ; CHECK-NEXT: %j.0.phiops.reload = load i64, ptr %j.0.phiops
9 ; CHECK-NEXT: br label %polly.stmt.bb3
11 ; CHECK: polly.stmt.bb3:
12 ; CHECK-NEXT: %polly.subregion.iv = phi i32 [ %polly.subregion.iv.inc, %polly.stmt.bb9 ], [ 0, %polly.stmt.bb3.entry ]
13 ; CHECK-NEXT: %polly.j.0 = phi i64 [ %j.0.phiops.reload, %polly.stmt.bb3.entry ], [ %p_tmp10, %polly.stmt.bb9 ]
15 ; void foo(long A[], float B[], long *x) {
16 ; for (long i = 0; i < 1024; i++)
17 ; for (long j = *x; j < i * i; j++)
21 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
23 define void @foo(ptr %A, ptr %B, ptr %xptr) {
27 bb1: ; preds = %bb12, %bb
28 %i.0 = phi i64 [ 0, %bb ], [ %tmp13, %bb12 ]
29 %exitcond = icmp ne i64 %i.0, 1024
30 br i1 %exitcond, label %bb2, label %bb14
33 %x = load i64, ptr %xptr
36 bb3: ; preds = %bb9, %bb2
37 %j.0 = phi i64 [ %x, %bb2 ], [ %tmp10, %bb9 ]
38 %tmp = mul nsw i64 %i.0, %i.0
39 %tmp4 = icmp slt i64 %j.0, %tmp
40 br i1 %tmp4, label %bb5, label %bb11
43 %tmp6 = getelementptr inbounds float, ptr %B, i64 42
44 %tmp7 = load float, ptr %tmp6, align 4
45 %tmp8 = fadd float %tmp7, 1.000000e+00
46 store float %tmp8, ptr %tmp6, align 4
50 %tmp10 = add nuw nsw i64 %j.0, 1
57 %tmp13 = add nuw nsw i64 %i.0, 1