llvm-6502/test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll
2006-12-02 04:23:10 +00:00

28 lines
837 B
LLVM

; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | %prcontext je 1 | grep "BB1_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*, ...)