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-rw-r--r--test/Transforms/InstCombine/malloc-free-delete.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/malloc-free-delete.ll b/test/Transforms/InstCombine/malloc-free-delete.ll
index a35e7b6..eae973d 100644
--- a/test/Transforms/InstCombine/malloc-free-delete.ll
+++ b/test/Transforms/InstCombine/malloc-free-delete.ll
@@ -35,3 +35,14 @@ define void @test3() {
call void @llvm.lifetime.end(i64 10, i8* %a)
ret void
}
+
+;; This used to crash.
+define void @test4() {
+; CHECK: @test4
+; CHECK-NEXT: ret void
+ %A = call i8* @malloc(i32 16000)
+ %B = bitcast i8* %A to double*
+ %C = bitcast double* %B to i8*
+ call void @free(i8* %C)
+ ret void
+}