llvm-for-llvmta/test/Transforms/CodeExtractor/2004-08-12-BlockExtractPHI.ll

27 lines
729 B
LLVM

; RUN: opt < %s -extract-blocks -disable-output
define void @test1() {
no_exit.0.i:
br i1 false, label %yylex.entry, label %yylex.entry
yylex.entry: ; preds = %no_exit.0.i, %no_exit.0.i
%tmp.1027 = phi i32 [ 0, %no_exit.0.i ], [ 0, %no_exit.0.i ] ; <i32> [#uses=0]
ret void
}
define void @test2() {
no_exit.0.i:
switch i32 0, label %yylex.entry [
i32 0, label %yylex.entry
i32 1, label %foo
]
yylex.entry: ; preds = %no_exit.0.i, %no_exit.0.i
%tmp.1027 = phi i32 [ 0, %no_exit.0.i ], [ 0, %no_exit.0.i ] ; <i32> [#uses=0]
ret void
foo: ; preds = %no_exit.0.i
ret void
}