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-rw-r--r--polly/test/ScopInfo/variant_load_empty_domain.ll52
1 files changed, 52 insertions, 0 deletions
diff --git a/polly/test/ScopInfo/variant_load_empty_domain.ll b/polly/test/ScopInfo/variant_load_empty_domain.ll
new file mode 100644
index 00000000000..d42d24818f3
--- /dev/null
+++ b/polly/test/ScopInfo/variant_load_empty_domain.ll
@@ -0,0 +1,52 @@
+; RUN: opt %loadPolly -polly-scops -polly-detect-unprofitable -analyze < %s | FileCheck %s
+;
+; CHECK: Invariant Accesses: {
+; CHECK-NEXT: }
+;
+; CHECK-NOT: Stmt_if_then
+;
+;
+; void f(int *A) {
+; for (int i = 1; i < 10; i++) {
+; A[i]++;
+; if (i > 10)
+; A[i] += A[0];
+; }
+; }
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @f(i32* %A) {
+entry:
+ br label %for.cond
+
+for.cond: ; preds = %for.inc, %entry
+ %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 1, %entry ]
+ %exitcond = icmp ne i64 %indvars.iv, 10
+ br i1 %exitcond, label %for.body, label %for.end
+
+for.body: ; preds = %for.cond
+ %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %tmp = load i32, i32* %arrayidx, align 4
+ %inc = add nsw i32 %tmp, 1
+ store i32 %inc, i32* %arrayidx, align 4
+ br i1 false, label %if.then, label %if.end
+
+if.then: ; preds = %for.body
+ %tmp1 = load i32, i32* %A, align 4
+ %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %tmp2 = load i32, i32* %arrayidx4, align 4
+ %add = add nsw i32 %tmp2, %tmp1
+ store i32 %add, i32* %arrayidx4, align 4
+ br label %if.end
+
+if.end: ; preds = %if.then, %for.body
+ br label %for.inc
+
+for.inc: ; preds = %if.end
+ %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+ br label %for.cond
+
+for.end: ; preds = %for.cond
+ ret void
+}
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