llvm-6502/test/Transforms/CorrelatedExprs/switch.ll
Chris Lattner 2c58d3ac82 new testcase, contributed by Eric Kidd.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26871 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 19:36:32 +00:00

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497 B
LLVM

; RUN: llvm-as < %s | opt -cee -constprop -instcombine -dce | llvm-dis | not grep 'REMOVE'
int %test_case_values_should_propagate(int %A) {
switch int %A, label %D [
int 40, label %C1
int 41, label %C2
int 42, label %C3
]
C1:
%REMOVE1 = add int %A, 2 ; Should be 42.
ret int %REMOVE1
C2:
%REMOVE2 = add int %A, 3 ; Should be 44.
ret int %REMOVE2
C3:
%REMOVE3 = add int %A, 4 ; Should be 46.
ret int %REMOVE3
D:
ret int 10
}