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llvm-mirror/test/Transforms/SCCP/2003-06-24-OverdefinedPHIValue.ll
Tanya Lattner 88c66b1027 Upgrade tests to not use llvm-upgrade.
llvm-svn: 48529
2008-03-19 04:14:49 +00:00

31 lines
1.3 KiB
LLVM

; RUN: llvm-as < %s | opt -sccp -simplifycfg | llvm-dis | \
; RUN: not grep then:
define void @cprop_test11(i32* %data.1) {
entry:
%tmp.1 = load i32* %data.1 ; <i32> [#uses=3]
%tmp.41 = icmp sgt i32 %tmp.1, 1 ; <i1> [#uses=1]
br i1 %tmp.41, label %no_exit, label %loopexit
no_exit: ; preds = %endif, %then, %entry
%j.0 = phi i32 [ %j.0, %endif ], [ %i.0, %then ], [ 1, %entry ] ; <i32> [#uses=3]
%i.0 = phi i32 [ %inc, %endif ], [ %inc1, %then ], [ 1, %entry ] ; <i32> [#uses=4]
%tmp.8.not = icmp ne i32 %j.0, 0 ; <i1> [#uses=1]
br i1 %tmp.8.not, label %endif, label %then
then: ; preds = %no_exit
%inc1 = add i32 %i.0, 1 ; <i32> [#uses=3]
%tmp.42 = icmp slt i32 %inc1, %tmp.1 ; <i1> [#uses=1]
br i1 %tmp.42, label %no_exit, label %loopexit
endif: ; preds = %no_exit
%inc = add i32 %i.0, 1 ; <i32> [#uses=3]
%tmp.4 = icmp slt i32 %inc, %tmp.1 ; <i1> [#uses=1]
br i1 %tmp.4, label %no_exit, label %loopexit
loopexit: ; preds = %endif, %then, %entry
%j.1 = phi i32 [ 1, %entry ], [ %j.0, %endif ], [ %i.0, %then ] ; <i32> [#uses=1]
%i.1 = phi i32 [ 1, %entry ], [ %inc, %endif ], [ %inc1, %then ] ; <i32> [#uses=1]
%tmp.17 = getelementptr i32* %data.1, i64 1 ; <i32*> [#uses=1]
store i32 %j.1, i32* %tmp.17
%tmp.23 = getelementptr i32* %data.1, i64 2 ; <i32*> [#uses=1]
store i32 %i.1, i32* %tmp.23
ret void
}