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Testcase for P926

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31058 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2006-10-19 23:21:59 +00:00
parent c70ddad2b7
commit e617474b8d
1 changed files with 27 additions and 0 deletions
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test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll Normal file
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; RUN: llvm-as < %s | llc -march=x86 | %prcontext "jg LBB1_5" 1 | grep "LBB1_4:"
%str = internal constant [14 x sbyte] c"Hello world!\0A\00" ; <[14 x sbyte]*> [#uses=1]
%str = internal constant [13 x sbyte] c"Blah world!\0A\00" ; <[13 x sbyte]*> [#uses=1]
implementation ; Functions:
int %main(int %argc, sbyte** %argv) {
entry:
switch int %argc, label %UnifiedReturnBlock [
int 1, label %bb
int 2, label %bb2
]
bb: ; preds = %entry
%tmp1 = tail call int (sbyte*, ...)* %printf( sbyte* getelementptr ([14 x sbyte]* %str, int 0, uint 0) ) ; <int> [#uses=0]
ret int 0
bb2: ; preds = %entry
%tmp4 = tail call int (sbyte*, ...)* %printf( sbyte* getelementptr ([13 x sbyte]* %str, int 0, uint 0) ) ; <int> [#uses=0]
ret int 0
UnifiedReturnBlock: ; preds = %entry
ret int 0
}
declare int %printf(sbyte*, ...)