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remove undef control flow. 

llvm-svn: 101340
This commit is contained in:
Chris Lattner 2010-04-15 04:30:19 +00:00
parent 67aba79b74
commit 9ebaf531ab
1 changed files with 1 additions and 22 deletions
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23
llvm/test/CodeGen/X86/2009-05-28-DAGCombineCrash.ll
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@ -4,21 +4,9 @@
define fastcc signext i8 @S_next_symbol(%struct.tempsym_t* %symptr) nounwind ssp {
entry:
br label %bb116
bb: ; preds = %bb116
switch i8 undef, label %bb14 [
i8 9, label %bb116
i8 32, label %bb116
i8 10, label %bb116
i8 13, label %bb116
i8 12, label %bb116
]
br label %bb14
bb14: ; preds = %bb
br i1 undef, label %bb75, label %bb115
bb75: ; preds = %bb14
%srcval16 = load i448* null, align 8 ; <i448> [#uses=1]
%tmp = zext i32 undef to i448 ; <i448> [#uses=1]
%tmp15 = shl i448 %tmp, 288 ; <i448> [#uses=1]
@ -26,13 +14,4 @@ bb75: ; preds = %bb14
%ins = or i448 %tmp15, %mask ; <i448> [#uses=1]
store i448 %ins, i448* null, align 8
ret i8 1
bb115: ; preds = %bb14
ret i8 1
bb116: ; preds = %bb, %bb, %bb, %bb, %bb, %entry
br i1 undef, label %bb, label %bb117
bb117: ; preds = %bb116
ret i8 0
}