1 files changed, 137 insertions, 0 deletions
diff --git a/polly/test/Isl/CodeGen/loop_with_condition_2.ll b/polly/test/Isl/CodeGen/loop_with_condition_2.ll
new file mode 100644
index 00000000000..ce297db3f60
--- /dev/null
+++ b/polly/test/Isl/CodeGen/loop_with_condition_2.ll
@@ -0,0 +1,137 @@
+; RUN: opt %loadPolly %defaultOpts -polly-ast -analyze < %s | FileCheck %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-unknown-linux-gnu"
+
+@A = common global [1024 x i32] zeroinitializer, align 16
+@B = common global [1024 x i32] zeroinitializer, align 16
+
+define void @loop_with_condition(i32 %m) nounwind {
+entry:
+  fence seq_cst
+  %tmp = sub i32 0, %m
+  %tmp1 = zext i32 %tmp to i64
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
+  %arrayidx = getelementptr [1024 x i32]* @A, i64 0, i64 %indvar
+  %arrayidx10 = getelementptr [1024 x i32]* @B, i64 0, i64 %indvar
+  %tmp2 = add i64 %tmp1, %indvar
+  %sub = trunc i64 %tmp2 to i32
+  %exitcond = icmp ne i64 %indvar, 1024
+  br i1 %exitcond, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %cmp3 = icmp sle i32 %sub, 1024
+  br i1 %cmp3, label %if.then, label %if.else
+
+if.then:                                          ; preds = %for.body
+  store i32 1, i32* %arrayidx
+  br label %if.end
+
+if.else:                                          ; preds = %for.body
+  store i32 2, i32* %arrayidx
+  br label %if.end
+
+if.end:                                           ; preds = %if.else, %if.then
+  store i32 3, i32* %arrayidx10
+  br label %for.inc
+
+for.inc:                                          ; preds = %if.end
+  %indvar.next = add i64 %indvar, 1
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  fence seq_cst
+  ret void
+}
+
+define i32 @main() nounwind {
+entry:
+  call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @A to i8*), i8 0, i64 4096, i32 1, i1 false)
+  call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @B to i8*), i8 0, i64 4096, i32 1, i1 false)
+  call void @loop_with_condition(i32 5)
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ]
+  %arrayidx = getelementptr [1024 x i32]* @B, i64 0, i64 %indvar1
+  %i.0 = trunc i64 %indvar1 to i32
+  %cmp = icmp slt i32 %i.0, 1024
+  br i1 %cmp, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %tmp3 = load i32* %arrayidx
+  %cmp4 = icmp ne i32 %tmp3, 3
+  br i1 %cmp4, label %if.then, label %if.end
+
+if.then:                                          ; preds = %for.body
+  br label %return
+
+if.end:                                           ; preds = %for.body
+  br label %for.inc
+
+for.inc:                                          ; preds = %if.end
+  %indvar.next2 = add i64 %indvar1, 1
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  br label %for.cond6
+
+for.cond6:                                        ; preds = %for.inc32, %for.end
+  %indvar = phi i64 [ %indvar.next, %for.inc32 ], [ 0, %for.end ]
+  %arrayidx15 = getelementptr [1024 x i32]* @A, i64 0, i64 %indvar
+  %i.1 = trunc i64 %indvar to i32
+  %cmp8 = icmp slt i32 %i.1, 1024
+  br i1 %cmp8, label %for.body9, label %for.end35
+
+for.body9:                                        ; preds = %for.cond6
+  br i1 true, label %land.lhs.true, label %if.else
+
+land.lhs.true:                                    ; preds = %for.body9
+  %tmp16 = load i32* %arrayidx15
+  %cmp17 = icmp ne i32 %tmp16, 1
+  br i1 %cmp17, label %if.then18, label %if.else
+
+if.then18:                                        ; preds = %land.lhs.true
+  br label %return
+
+if.else:                                          ; preds = %land.lhs.true, %for.body9
+  br i1 false, label %land.lhs.true23, label %if.end30
+
+land.lhs.true23:                                  ; preds = %if.else
+  %tmp27 = load i32* %arrayidx15
+  %cmp28 = icmp ne i32 %tmp27, 2
+  br i1 %cmp28, label %if.then29, label %if.end30
+
+if.then29:                                        ; preds = %land.lhs.true23
+  br label %return
+
+if.end30:                                         ; preds = %land.lhs.true23, %if.else
+  br label %if.end31
+
+if.end31:                                         ; preds = %if.end30
+  br label %for.inc32
+
+for.inc32:                                        ; preds = %if.end31
+  %indvar.next = add i64 %indvar, 1
+  br label %for.cond6
+
+for.end35:                                        ; preds = %for.cond6
+  br label %return
+
+return:                                           ; preds = %for.end35, %if.then29, %if.then18, %if.then
+  %retval.0 = phi i32 [ 1, %if.then ], [ 1, %if.then18 ], [ 1, %if.then29 ], [ 0, %for.end35 ]
+  ret i32 %retval.0
+}
+
+declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
+
+; CHECK: for (int c1 = 0; c1 <= 1023; c1 += 1) {
+; CHECK:   if (c1 >= m + 1025) {
+; CHECK:     Stmt_if_else(c1);
+; CHECK:   } else
+; CHECK:     Stmt_if_then(c1);
+; CHECK:   Stmt_if_end(c1);
+; CHECK: }