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-rw-r--r--test/Transforms/GlobalConstifier/phi-select.llx29
1 files changed, 29 insertions, 0 deletions
diff --git a/test/Transforms/GlobalConstifier/phi-select.llx b/test/Transforms/GlobalConstifier/phi-select.llx
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+++ b/test/Transforms/GlobalConstifier/phi-select.llx
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+; Test that PHI nodes and select instructions do not necessarily make stuff
+; non-constant.
+
+; RUN: llvm-as < %s | opt -constify | llvm-dis | not grep global
+
+%X = internal global int 4
+%Y = internal global int 5
+
+int %test1(bool %C) {
+ %P = select bool %C, int* %X, int* %Y
+ %V = load int* %P
+ ret int %V
+}
+
+
+int %test2(bool %C) {
+ br bool %C, label %T, label %Cont
+T:
+ br label %Cont
+Cont:
+ %P = phi int* [%X, %0], [%Y, %T]
+ %V = load int* %P
+ ret int %V
+}
+
+
+
+
+