| ; RUN: opt %loadPolly -polly-ast -analyze < %s | FileCheck %s |
| ; RUN: opt %loadPolly -polly-codegen-isl -S < %s | FileCheck %s -check-prefix=CODEGEN |
| target 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" |
| target triple = "x86_64-pc-linux-gnu" |
| |
| @A = common global [1024 x i32] zeroinitializer |
| |
| define void @bar(i64 %n) { |
| start: |
| %n_plus_one = add i64 %n, 1 |
| fence seq_cst |
| br label %loop.header |
| |
| loop.header: |
| %i = phi i64 [ 0, %start ], [ %i.next, %loop.backedge ] |
| %scevgep = getelementptr [1024 x i32]* @A, i64 0, i64 %i |
| %exitcond = icmp ne i64 %i, %n_plus_one |
| br i1 %exitcond, label %loop.body, label %ret |
| |
| loop.body: |
| store i32 1, i32* %scevgep |
| br label %loop.backedge |
| |
| loop.backedge: |
| %i.next = add nsw i64 %i, 1 |
| br label %loop.header |
| |
| ret: |
| fence seq_cst |
| ret void |
| } |
| |
| ; CHECK: for (int c1 = 0; c1 <= n; c1 += 1) |
| ; CHECK: Stmt_loop_body(c1) |
| |
| ; CODEGEN: polly.start: |
| ; CODEGEN: br label %polly.loop_header |
| |
| ; CODEGEN: polly.loop_after: |
| ; CODEGEN: br label %polly.merge_new_and_old |
| |
| ; CODEGEN: polly.loop_header: |
| ; CODEGEN: %polly.loopiv = phi i64 [ 0, %polly.start ], [ %polly.next_loopiv, %polly.stmt.loop.body ] |
| ; CODEGEN: %polly.next_loopiv = add nsw i64 %polly.loopiv, 1 |
| ; CODEGEN: %0 = icmp sle i64 %polly.loopiv, %n |
| ; CODEGEN: br i1 %0, label %polly.loop_body, label %polly.loop_after |
| |
| ; CODEGEN: polly.loop_body: |
| ; CODEGEN: br label %polly.stmt.loop.body |
| |
| ; CODEGEN: polly.stmt.loop.body: |
| ; CODEGEN: %p_scevgep.moved.to.loop.body = getelementptr [1024 x i32]* @A, i64 0, i64 %polly.loopiv |
| ; CODEGEN: store i32 1, i32* %p_scevgep.moved.to.loop.body |
| ; CODEGEN: br label %polly.loop_header |