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