1; RUN: opt %loadNPMPolly '-passes=print<polly-ast>' -disable-output < %s | FileCheck %s 2; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s | FileCheck %s -check-prefix=CODEGEN 3; RUN: opt %loadNPMPolly -passes=polly-codegen < %s | opt -passes='print<loops>' -disable-output 2>&1 | FileCheck %s -check-prefix=LOOPS 4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 5 6@A = common global [1024 x i32] zeroinitializer 7 8define void @bar(i64 %n) { 9start: 10 %n_plus_one = add i64 %n, 1 11 fence seq_cst 12 br label %loop.header 13 14loop.header: 15 %i = phi i64 [ 0, %start ], [ %i.next, %loop.backedge ] 16 %scevgep = getelementptr [1024 x i32], ptr @A, i64 0, i64 %i 17 %exitcond = icmp ne i64 %i, %n_plus_one 18 br i1 %exitcond, label %loop.body, label %ret 19 20loop.body: 21 store i32 1, ptr %scevgep 22 br label %loop.backedge 23 24loop.backedge: 25 %i.next = add nsw i64 %i, 1 26 br label %loop.header 27 28ret: 29 fence seq_cst 30 ret void 31} 32 33; CHECK: for (int c0 = 0; c0 <= n; c0 += 1) 34; CHECK: Stmt_loop_body(c0) 35 36; CODEGEN: polly.start: 37; CODEGEN: br label %polly.loop_if 38 39; CODEGEN: polly.loop_exit: 40; CODEGEN: br label %polly.merge_new_and_old 41 42; CODEGEN: polly.loop_if: 43; CODEGEN: %polly.loop_guard = icmp sle i64 0, %n 44; CODEGEN: br i1 %polly.loop_guard, label %polly.loop_preheader, label %polly.loop_exit 45 46; CODEGEN: polly.loop_header: 47; CODEGEN: %polly.indvar = phi i64 [ 0, %polly.loop_preheader ], [ %polly.indvar_next, %polly.stmt.loop.body ] 48; CODEGEN: br label %polly.stmt.loop.body 49 50; CODEGEN: polly.stmt.loop.body: 51; CODEGEN: %[[offset:.*]] = shl i64 %polly.indvar, 2 52; CODEGEN: [[PTR:%[a-zA-Z0-9_\.]+]] = getelementptr i8, ptr @A, i64 %[[offset]] 53; CODEGEN: store i32 1, ptr [[PTR]] 54; CODEGEN: %polly.indvar_next = add nsw i64 %polly.indvar, 1 55; CODEGEN: %polly.loop_cond = icmp sle i64 %polly.indvar_next, %n 56; CODEGEN: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit 57 58; CODEGEN: polly.loop_preheader: 59; CODEGEN: br label %polly.loop_header 60 61; LOOPS-DAG: Loop at depth 1 containing: %loop.header<header><exiting>,%loop.body,%loop.backedge<latch> 62; LOOPS-DAG: Loop at depth 1 containing: %polly.loop_header<header>,%polly.stmt.loop.body<latch><exiting> 63