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-rw-r--r--llvm/test/Transforms/CodeGenPrepare/AArch64/large-offset-gep.ll28
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/Transforms/CodeGenPrepare/AArch64/large-offset-gep.ll b/llvm/test/Transforms/CodeGenPrepare/AArch64/large-offset-gep.ll
index a5878e00e03..5cc00b75962 100644
--- a/llvm/test/Transforms/CodeGenPrepare/AArch64/large-offset-gep.ll
+++ b/llvm/test/Transforms/CodeGenPrepare/AArch64/large-offset-gep.ll
@@ -145,3 +145,31 @@ while_body:
while_end:
ret void
}
+
+declare i8* @llvm.strip.invariant.group.p0i8(i8*)
+
+define void @test_invariant_group(i32) {
+; CHECK-LABEL: test_invariant_group
+ br i1 undef, label %8, label %7
+
+; <label>:2: ; preds = %8, %2
+ br i1 undef, label %2, label %7
+
+; <label>:3: ; preds = %8
+ %4 = getelementptr inbounds i8, i8* %9, i32 40000
+ %5 = bitcast i8* %4 to i64*
+ br i1 undef, label %7, label %6
+
+; <label>:6: ; preds = %3
+ store i64 1, i64* %5, align 8
+ br label %7
+
+; <label>:7: ; preds = %6, %3, %2, %1
+ ret void
+
+; <label>:8: ; preds = %1
+ %9 = call i8* @llvm.strip.invariant.group.p0i8(i8* nonnull undef)
+ %10 = icmp eq i32 %0, 0
+ br i1 %10, label %3, label %2
+}
+
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