15c028081SMichael Kruse; RUN: opt %loadPolly -polly-print-ast -disable-output < %s | FileCheck %s 235f70200SMichael Kruse; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s -check-prefix=CODEGEN 3*caf6af2eSArthur Eubanks; RUN: opt %loadPolly -polly-codegen < %s | opt -passes='print<loops>' -disable-output 2>&1 | FileCheck %s -check-prefix=LOOPS 435f70200SMichael Krusetarget 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" 535f70200SMichael Kruse 635f70200SMichael Kruse@A = common global [1024 x i32] zeroinitializer 735f70200SMichael Kruse 835f70200SMichael Krusedefine void @bar(i64 %n) { 935f70200SMichael Krusestart: 1035f70200SMichael Kruse %n_plus_one = add i64 %n, 1 1135f70200SMichael Kruse fence seq_cst 1235f70200SMichael Kruse br label %loop.header 1335f70200SMichael Kruse 1435f70200SMichael Kruseloop.header: 1535f70200SMichael Kruse %i = phi i64 [ 0, %start ], [ %i.next, %loop.backedge ] 1635f70200SMichael Kruse %scevgep = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %i 1735f70200SMichael Kruse %exitcond = icmp ne i64 %i, %n_plus_one 1835f70200SMichael Kruse br i1 %exitcond, label %loop.body, label %ret 1935f70200SMichael Kruse 2035f70200SMichael Kruseloop.body: 2135f70200SMichael Kruse store i32 1, i32* %scevgep 2235f70200SMichael Kruse br label %loop.backedge 2335f70200SMichael Kruse 2435f70200SMichael Kruseloop.backedge: 2535f70200SMichael Kruse %i.next = add nsw i64 %i, 1 2635f70200SMichael Kruse br label %loop.header 2735f70200SMichael Kruse 2835f70200SMichael Kruseret: 2935f70200SMichael Kruse fence seq_cst 3035f70200SMichael Kruse ret void 3135f70200SMichael Kruse} 3235f70200SMichael Kruse 3335f70200SMichael Kruse; CHECK: for (int c0 = 0; c0 <= n; c0 += 1) 3435f70200SMichael Kruse; CHECK: Stmt_loop_body(c0) 3535f70200SMichael Kruse 3635f70200SMichael Kruse; CODEGEN: polly.start: 3735f70200SMichael Kruse; CODEGEN: br label %polly.loop_if 3835f70200SMichael Kruse 3935f70200SMichael Kruse; CODEGEN: polly.loop_exit: 4035f70200SMichael Kruse; CODEGEN: br label %polly.merge_new_and_old 4135f70200SMichael Kruse 4235f70200SMichael Kruse; CODEGEN: polly.loop_if: 4335f70200SMichael Kruse; CODEGEN: %polly.loop_guard = icmp sle i64 0, %n 4435f70200SMichael Kruse; CODEGEN: br i1 %polly.loop_guard, label %polly.loop_preheader, label %polly.loop_exit 4535f70200SMichael Kruse 4635f70200SMichael Kruse; CODEGEN: polly.loop_header: 4735f70200SMichael Kruse; CODEGEN: %polly.indvar = phi i64 [ 0, %polly.loop_preheader ], [ %polly.indvar_next, %polly.stmt.loop.body ] 4835f70200SMichael Kruse; CODEGEN: br label %polly.stmt.loop.body 4935f70200SMichael Kruse 5035f70200SMichael Kruse; CODEGEN: polly.stmt.loop.body: 5135f70200SMichael Kruse; CODEGEN: [[PTR:%[a-zA-Z0-9_\.]+]] = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %polly.indvar 5235f70200SMichael Kruse; CODEGEN: store i32 1, i32* [[PTR]] 5335f70200SMichael Kruse; CODEGEN: %polly.indvar_next = add nsw i64 %polly.indvar, 1 5435f70200SMichael Kruse; CODEGEN: %polly.loop_cond = icmp sle i64 %polly.indvar_next, %n 5535f70200SMichael Kruse; CODEGEN: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit 5635f70200SMichael Kruse 5735f70200SMichael Kruse; CODEGEN: polly.loop_preheader: 5835f70200SMichael Kruse; CODEGEN: br label %polly.loop_header 5935f70200SMichael Kruse 6035f70200SMichael Kruse; LOOPS-DAG: Loop at depth 1 containing: %loop.header<header><exiting>,%loop.body,%loop.backedge<latch> 6135f70200SMichael Kruse; LOOPS-DAG: Loop at depth 1 containing: %polly.loop_header<header>,%polly.stmt.loop.body<latch><exiting> 62