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don't require GVN to work on dead values, just make the

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test return the loaded value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60252 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-11-29 21:21:48 +00:00
parent 3a76be584b
commit cae30afc34
1 changed files with 4 additions and 5 deletions
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9
test/Transforms/GVN/2008-07-02-Unreachable.ll
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@ -1,10 +1,9 @@
; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep undef
; PR2503
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i686-apple-darwin9.3.0"
@g_3 = external global i8 ; <i8*> [#uses=2]
define i32 @func_1() nounwind {
define i8 @func_1() nounwind {
entry:
br i1 false, label %ifelse, label %ifthen
@ -29,8 +28,8 @@ forinc: ; preds = %forbody
afterfor: ; preds = %forcond, %forcond.thread
%tmp10 = load i8* @g_3 ; <i8> [#uses=0]
br label %ifend
ret i8 %tmp10
ifend: ; preds = %afterfor, %ifthen
ret i32 0
ret i8 0
}