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Diffstat (limited to 'test/Transforms/GlobalOpt/phi-select.llx')
-rw-r--r-- | test/Transforms/GlobalOpt/phi-select.llx | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/phi-select.llx b/test/Transforms/GlobalOpt/phi-select.llx new file mode 100644 index 0000000..2389c0a --- /dev/null +++ b/test/Transforms/GlobalOpt/phi-select.llx @@ -0,0 +1,29 @@ +; Test that PHI nodes and select instructions do not necessarily make stuff +; non-constant. + +; RUN: llvm-upgrade < %s | llvm-as | opt -globalopt | 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 +} + + + + + |