1; RUN: opt %loadNPMPolly '-passes=polly-import-jscop,polly-codegen' \ 2; RUN: -polly-import-jscop-postfix=transformed \ 3; RUN: -verify-dom-info -polly-allow-nonaffine-loops \ 4; RUN: -S < %s | FileCheck %s 5 6; This test verifies that partial writes within non-affine loops are code 7; generated correctly. 8 9; CHECK:polly.stmt.bb3: 10; CHECK-NEXT: %polly.subregion.iv = phi i32 [ %polly.subregion.iv.inc, %polly.stmt.bb5.cont ], [ 0, %polly.stmt.bb3.entry ] 11; CHECK-NEXT: %polly.j.0 = phi i64 [ %j.0.phiops.reload, %polly.stmt.bb3.entry ], [ %p_tmp10, %polly.stmt.bb5.cont ] 12; CHECK-NEXT: %8 = zext nneg i64 %polly.indvar to i65 13; CHECK-NEXT: %9 = add nsw i64 %polly.indvar, -1 14; CHECK-NEXT: %10 = zext i64 %9 to i65 15; CHECK-NEXT: %11 = mul i65 %8, %10 16; CHECK-NEXT: %12 = lshr i65 %11, 1 17; CHECK-NEXT: %13 = trunc i65 %12 to i64 18; CHECK-NEXT: %14 = shl i64 %13, 1 19; CHECK-NEXT: %15 = add i64 %polly.indvar, %14 20; CHECK-NEXT: %p_tmp4 = icmp slt i64 %polly.j.0, %15 21; CHECK-NEXT: %polly.subregion.iv.inc = add i32 %polly.subregion.iv, 1 22; CHECK-NEXT: br i1 %p_tmp4, label %polly.stmt.bb5, label %polly.stmt.bb11.exit 23 24; CHECK:polly.stmt.bb5: 25; CHECK-NEXT: %p_tmp6 = getelementptr inbounds float, ptr %B, i64 42 26; CHECK-NEXT: %tmp7_p_scalar_ = load float, ptr %p_tmp6 27; CHECK-NEXT: %p_tmp8 = fadd float %tmp7_p_scalar_, 1.000000e+00 28; CHECK-NEXT: %16 = icmp sle i64 %polly.indvar, 9 29; CHECK-NEXT: %polly.Stmt_bb3__TO__bb11_MayWrite2.cond = icmp ne i1 %16, false 30; CHECK-NEXT: br i1 %polly.Stmt_bb3__TO__bb11_MayWrite2.cond, label %polly.stmt.bb5.Stmt_bb3__TO__bb11_MayWrite2.partial, label %polly.stmt.bb5.cont 31 32; CHECK:polly.stmt.bb5.Stmt_bb3__TO__bb11_MayWrite2.partial: ; preds = %polly.stmt.bb5 33; CHECK-NEXT: %polly.access.B3 = getelementptr float, ptr %B, i64 42 34; CHECK-NEXT: store float %p_tmp8, ptr %polly.access.B3 35; CHECK-NEXT: br label %polly.stmt.bb5.cont 36 37; CHECK:polly.stmt.bb5.cont: 38; CHECK-NEXT: %p_tmp10 = add nuw nsw i64 %polly.j.0, 1 39; CHECK-NEXT: br label %polly.stmt.bb3 40 41 42 43; void foo(long A[], float B[], long *x) { 44; for (long i = 0; i < 1024; i++) 45; for (long j = *x; j < i * i; j++) 46; B[42]++; 47; } 48; 49target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 50 51define void @partial_write_in_region_with_loop(ptr %A, ptr %B, ptr %xptr) { 52bb: 53 br label %bb1 54 55bb1: ; preds = %bb12, %bb 56 %i.0 = phi i64 [ 0, %bb ], [ %tmp13, %bb12 ] 57 %exitcond = icmp ne i64 %i.0, 1024 58 br i1 %exitcond, label %bb2, label %bb14 59 60bb2: ; preds = %bb1 61 %x = load i64, ptr %xptr 62 br label %bb3 63 64bb3: ; preds = %bb9, %bb2 65 %j.0 = phi i64 [ %x, %bb2 ], [ %tmp10, %bb5 ] 66 %tmp = mul nsw i64 %i.0, %i.0 67 %tmp4 = icmp slt i64 %j.0, %tmp 68 br i1 %tmp4, label %bb5, label %bb11 69 70bb5: ; preds = %bb3 71 %tmp6 = getelementptr inbounds float, ptr %B, i64 42 72 %tmp7 = load float, ptr %tmp6, align 4 73 %tmp8 = fadd float %tmp7, 1.000000e+00 74 store float %tmp8, ptr %tmp6, align 4 75 %tmp10 = add nuw nsw i64 %j.0, 1 76 br label %bb3 77 78bb11: ; preds = %bb3 79 br label %bb12 80 81bb12: ; preds = %bb11 82 %tmp13 = add nuw nsw i64 %i.0, 1 83 br label %bb1 84 85bb14: ; preds = %bb1 86 ret void 87} 88