1 files changed, 49 insertions, 0 deletions
diff --git a/polly/test/ScopInfo/non-precise-inv-load-2.ll b/polly/test/ScopInfo/non-precise-inv-load-2.ll
new file mode 100644
index 00000000000..b9a27cfb7ba
--- /dev/null
+++ b/polly/test/ScopInfo/non-precise-inv-load-2.ll
@@ -0,0 +1,49 @@
+; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
+;
+;
+; CHECK:       Invariant Accesses: {
+; CHECK-NEXT:    ReadAccess := [Reduction Type: NONE] [Scalar: 0]
+; CHECK-NEXT:    [c] -> { Stmt_for_body[i0] -> MemRef_I[-1 + c] };
+; CHECK-NEXT:    Execution Context: [c] -> {  : c > 0 }
+; CHECK-NEXT:  }
+; CHECK-NEXT:  Context:
+; CHECK-NEXT:  [c] -> {  : -128 <= c <= 127 }
+; CHECK-NEXT:  Assumed Context:
+; CHECK-NEXT:  [c] -> {  :  }
+; CHECK-NEXT:  Invalid Context:
+; CHECK-NEXT:  [c] -> {  : c <= 0 }
+;
+;    void f(int *A, int *I, unsigned char c) {
+;      for (int i = 0; i < 10; i++)
+;        A[i] += I[c - (char)1];
+;    }
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @f(i32* %A, i32* %I, i8 zeroext %c) {
+entry:
+  br label %for.cond
+
+for.cond:                                         ; preds = %for.inc, %entry
+  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
+  %exitcond = icmp ne i64 %indvars.iv, 10
+  br i1 %exitcond, label %for.body, label %for.end
+
+for.body:                                         ; preds = %for.cond
+  %sub = add i8 %c, -1
+  %conv = zext i8 %sub to i64
+  %arrayidx = getelementptr inbounds i32, i32* %I, i64 %conv
+  %tmp = load i32, i32* %arrayidx, align 4
+  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+  %tmp1 = load i32, i32* %arrayidx2, align 4
+  %add = add nsw i32 %tmp1, %tmp
+  store i32 %add, i32* %arrayidx2, align 4
+  br label %for.inc
+
+for.inc:                                          ; preds = %for.body
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  br label %for.cond
+
+for.end:                                          ; preds = %for.cond
+  ret void
+}