| ; RUN: opt %loadPolly %defaultOpts -polly-cloog -analyze %s | FileCheck %s |
| ; RUN: opt %loadPolly %defaultOpts -polly-codegen %s | lli - %EatErrOnX86 |
| ; ModuleID = 'sequential_loops.s' |
| 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, align 4 ; <[1024 x i32]*> [#uses=5] |
| |
| define void @sequential_loops() nounwind { |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb3, %bb |
| %indvar1 = phi i64 [ %indvar.next2, %bb3 ], [ 0, %bb ] |
| %scevgep4 = getelementptr [1024 x i32]* @A, i64 0, i64 %indvar1 |
| %exitcond3 = icmp ne i64 %indvar1, 512 |
| br i1 %exitcond3, label %bb2, label %bb4 |
| |
| bb2: ; preds = %bb1 |
| store i32 1, i32* %scevgep4 |
| br label %bb3 |
| |
| bb3: ; preds = %bb2 |
| %indvar.next2 = add i64 %indvar1, 1 |
| br label %bb1 |
| |
| bb4: ; preds = %bb1 |
| br label %bb5 |
| |
| bb5: ; preds = %bb7, %bb4 |
| %indvar = phi i64 [ %indvar.next, %bb7 ], [ 0, %bb4 ] |
| %tmp = add i64 %indvar, 512 |
| %scevgep = getelementptr [1024 x i32]* @A, i64 0, i64 %tmp |
| %exitcond = icmp ne i64 %indvar, 512 |
| br i1 %exitcond, label %bb6, label %bb8 |
| |
| bb6: ; preds = %bb5 |
| store i32 2, i32* %scevgep |
| br label %bb7 |
| |
| bb7: ; preds = %bb6 |
| %indvar.next = add i64 %indvar, 1 |
| br label %bb5 |
| |
| bb8: ; preds = %bb5 |
| ret void |
| } |
| |
| define i32 @main() nounwind { |
| bb: |
| call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @A to i8*), i8 0, i64 4096, i32 1, i1 false) |
| call void @sequential_loops() |
| br label %bb1 |
| |
| bb1: ; preds = %bb15, %bb |
| %indvar = phi i64 [ %indvar.next, %bb15 ], [ 0, %bb ] |
| %i.0 = trunc i64 %indvar to i32 |
| %scevgep = getelementptr [1024 x i32]* @A, i64 0, i64 %indvar |
| %tmp = icmp slt i32 %i.0, 1024 |
| br i1 %tmp, label %bb2, label %bb16 |
| |
| bb2: ; preds = %bb1 |
| %tmp3 = load i32* %scevgep |
| %tmp4 = icmp ne i32 %tmp3, 1 |
| br i1 %tmp4, label %bb5, label %bb8 |
| |
| bb5: ; preds = %bb2 |
| %tmp6 = icmp slt i32 %i.0, 512 |
| br i1 %tmp6, label %bb7, label %bb8 |
| |
| bb7: ; preds = %bb5 |
| br label %bb17 |
| |
| bb8: ; preds = %bb5, %bb2 |
| %tmp9 = load i32* %scevgep |
| %tmp10 = icmp ne i32 %tmp9, 2 |
| br i1 %tmp10, label %bb11, label %bb14 |
| |
| bb11: ; preds = %bb8 |
| %tmp12 = icmp sge i32 %i.0, 512 |
| br i1 %tmp12, label %bb13, label %bb14 |
| |
| bb13: ; preds = %bb11 |
| br label %bb17 |
| |
| bb14: ; preds = %bb11, %bb8 |
| br label %bb15 |
| |
| bb15: ; preds = %bb14 |
| %indvar.next = add i64 %indvar, 1 |
| br label %bb1 |
| |
| bb16: ; preds = %bb1 |
| br label %bb17 |
| |
| bb17: ; preds = %bb16, %bb13, %bb7 |
| %.0 = phi i32 [ 1, %bb7 ], [ 1, %bb13 ], [ 0, %bb16 ] |
| ret i32 %.0 |
| } |
| |
| declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind |
| ; CHECK: for (c2=0;c2<=511;c2++) { |
| ; CHECK: Stmt_bb2(c2); |
| ; CHECK: } |
| ; CHECK: for (c2=0;c2<=511;c2++) { |
| ; CHECK: Stmt_bb6(c2); |
| ; CHECK: } |
| |
