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-rw-r--r--test/Other/2002-02-24-InlineBrokePHINodes.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Other/2002-02-24-InlineBrokePHINodes.ll b/test/Other/2002-02-24-InlineBrokePHINodes.ll
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+; Inlining used to break PHI nodes. This tests that they are correctly updated
+; when a node is split around the call instruction. The verifier caught the error.
+;
+; RUN: as < %s | opt -inline -verify
+;
+implementation
+
+ulong "test"(ulong %X)
+begin
+ ret ulong %X
+end
+
+ulong "fib"(ulong %n)
+begin
+ %T = setlt ulong %n, 2 ; {bool}:0
+ br bool %T, label %BaseCase, label %RecurseCase
+
+RecurseCase:
+ %result = call ulong %test(ulong %n)
+ br label %BaseCase
+
+BaseCase:
+ %X = phi ulong [1, %0], [2, %RecurseCase]
+ ret ulong %X
+end
+