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More instcombine testcases

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llvm-svn: 14094
This commit is contained in:
Chris Lattner 2004-06-09 07:59:40 +00:00
parent 8bb8138b54
commit bb26529f12
1 changed files with 27 additions and 0 deletions
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27
test/Regression/Transforms/InstCombine/select.ll
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@ -109,3 +109,30 @@ bool %test14b(bool %C, int %X) {
ret bool %R
}
int %test15a(int %X) { ;; Code sequence for (X & 16) ? 16 : 0
%t1 = and int %X, 16
%t2 = seteq int %t1, 0
%t3 = select bool %t2, int 0, int 16 ;; X & 16
ret int %t3
}
int %test15b(int %X) { ;; Code sequence for (X & 32) ? 0 : 24
%t1 = and int %X, 32
%t2 = seteq int %t1, 0
%t3 = select bool %t2, int 32, int 0 ;; ~X & 32
ret int %t3
}
int %test15c(int %X) { ;; Alternate code sequence for (X & 16) ? 16 : 0
%t1 = and int %X, 16
%t2 = seteq int %t1, 16
%t3 = select bool %t2, int 16, int 0 ;; X & 16
ret int %t3
}
int %test15d(int %X) { ;; Alternate code sequence for (X & 16) ? 16 : 0
%t1 = and int %X, 16
%t2 = setne int %t1, 0
%t3 = select bool %t2, int 16, int 0 ;; X & 16
ret int %t3
}