llvm/test/Transforms/SCCP/2003-06-24-OverdefinedPHIValue.ll
2006-12-02 04:23:10 +00:00

34 lines
1.3 KiB
LLVM

; RUN: llvm-upgrade < %s | llvm-as | opt -sccp -simplifycfg | llvm-dis | not grep then:
void %cprop_test11(int* %data.1) {
entry: ; No predecessors!
%tmp.1 = load int* %data.1 ; <int> [#uses=3]
%tmp.41 = setgt int %tmp.1, 1 ; <bool> [#uses=1]
br bool %tmp.41, label %no_exit, label %loopexit
no_exit: ; preds = %entry, %then, %endif
%j.0 = phi int [ %j.0, %endif ], [ %i.0, %then ], [ 1, %entry ] ; <int> [#uses=3]
%i.0 = phi int [ %inc, %endif ], [ %inc1, %then ], [ 1, %entry ] ; <int> [#uses=4]
%tmp.8.not = cast int %j.0 to bool ; <bool> [#uses=1]
br bool %tmp.8.not, label %endif, label %then
then: ; preds = %no_exit
%inc1 = add int %i.0, 1 ; <int> [#uses=3]
%tmp.42 = setlt int %inc1, %tmp.1 ; <bool> [#uses=1]
br bool %tmp.42, label %no_exit, label %loopexit
endif: ; preds = %no_exit
%inc = add int %i.0, 1 ; <int> [#uses=3]
%tmp.4 = setlt int %inc, %tmp.1 ; <bool> [#uses=1]
br bool %tmp.4, label %no_exit, label %loopexit
loopexit: ; preds = %entry, %endif, %then
%j.1 = phi int [ 1, %entry ], [ %j.0, %endif ], [ %i.0, %then ] ; <int> [#uses=1]
%i.1 = phi int [ 1, %entry ], [ %inc, %endif ], [ %inc1, %then ] ; <int> [#uses=1]
%tmp.17 = getelementptr int* %data.1, long 1 ; <int*> [#uses=1]
store int %j.1, int* %tmp.17
%tmp.23 = getelementptr int* %data.1, long 2 ; <int*> [#uses=1]
store int %i.1, int* %tmp.23
ret void
}