[llvm] 21cc740 - [ConstraintElim] Add extra test with chained GEPs without inbounds.

Florian Hahn via llvm-commits llvm-commits at lists.llvm.org
Sat Dec 24 13:52:14 PST 2022


Author: Florian Hahn
Date: 2022-12-24T21:51:26Z
New Revision: 21cc7400f7c8caa02902b201bbe78336f4f7008a

URL: https://github.com/llvm/llvm-project/commit/21cc7400f7c8caa02902b201bbe78336f4f7008a
DIFF: https://github.com/llvm/llvm-project/commit/21cc7400f7c8caa02902b201bbe78336f4f7008a.diff

LOG: [ConstraintElim] Add extra test with chained GEPs without inbounds.

Added: 
    

Modified: 
    llvm/test/Transforms/ConstraintElimination/gep-chains.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/ConstraintElimination/gep-chains.ll b/llvm/test/Transforms/ConstraintElimination/gep-chains.ll
index 3ec6ce4f13fc..b853c4035478 100644
--- a/llvm/test/Transforms/ConstraintElimination/gep-chains.ll
+++ b/llvm/test/Transforms/ConstraintElimination/gep-chains.ll
@@ -371,3 +371,19 @@ define i1 @gep_add_1_ult_var_idx_no_inbounds(ptr %dst, ptr %upper, i8 %len, i8 %
   %res.2 = xor i1 %res.1, %cmp.idx.3
   ret i1 %res.2
 }
+
+define i1 @test_chained_no_inbounds(ptr %A, ptr %B) {
+entry:
+  %B.1 = getelementptr i8, ptr %B, i64 1
+  %B.2 = getelementptr i8, ptr %B.1, i64 1
+  %c.1 = icmp ugt ptr %A, null
+  %c.2 = icmp ugt ptr %B.1, %B.2
+  %or = or i1 %c.1, %c.2
+  br i1 %or, label %then, label %else
+
+then:
+  ret i1 true
+
+else:
+  ret i1 false
+}


        


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