1 files changed, 108 insertions, 0 deletions
diff --git a/polly/test/CodeGen/sequential_loops.ll b/polly/test/CodeGen/sequential_loops.ll
new file mode 100644
index 00000000000..15799c74004
--- /dev/null
+++ b/polly/test/CodeGen/sequential_loops.ll
@@ -0,0 +1,108 @@
+; RUN: opt %loadPolly %defaultOpts -polly-cloog -analyze < %s | FileCheck %s
+; RUN: opt %loadPolly %defaultOpts -polly-codegen < %s | lli -
+; 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: }
+