| ; RUN: opt %loadPolly -polly-ast -analyze < %s | FileCheck %s |
| ; RUN: opt %loadPolly -polly-codegen -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" |
| |
| @A = common global [1024 x i32] zeroinitializer |
| |
| define void @bar(i64 %n) { |
| start: |
| fence seq_cst |
| br label %loop.header |
| |
| loop.header: |
| %i = phi i64 [ 0, %start ], [ %i.next, %loop.backedge ] |
| %scevgep = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %i |
| %exitcond = icmp ne i64 %i, %n |
| 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 c0 = 0; c0 < n; c0 += 1) |
| ; CHECK: Stmt_loop_body(c0) |
| |
| ; CODEGEN: polly.start: |
| ; CODEGEN: br label %polly.loop_if |
| |
| ; CODEGEN: polly.loop_exit: |
| ; CODEGEN: br label %polly.merge_new_and_old |
| |
| ; CODEGEN: polly.loop_if: |
| ; CODEGEN: %polly.loop_guard = icmp slt i64 0, %n |
| ; CODEGEN: br i1 %polly.loop_guard, label %polly.loop_preheader, label %polly.loop_exit |
| |
| ; CODEGEN: polly.loop_header: |
| ; CODEGEN: %polly.indvar = phi i64 [ 0, %polly.loop_preheader ], [ %polly.indvar_next, %polly.stmt.loop.body ] |
| ; CODEGEN: br label %polly.stmt.loop.body |
| |
| ; CODEGEN: polly.stmt.loop.body: |
| ; CODEGEN: [[PTR:%[a-zA-Z0-9_\.]+]] = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %polly.indvar |
| ; CODEGEN: store i32 1, i32* [[PTR]] |
| ; CODEGEN: %polly.indvar_next = add nsw i64 %polly.indvar, 1 |
| ; CODEGEN: %polly.loop_cond = icmp slt i64 %polly.indvar_next, %n |
| ; CODEGEN: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit |
| |
| ; CODEGEN: polly.loop_preheader: |
| ; CODEGEN: br label %polly.loop_header |