llvm-6502/test/Transforms/InstCombine/setcc-strength-reduce.ll
Chris Lattner 060c1f816c Remove usage of grep-not script
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6966 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28 23:32:04 +00:00

32 lines
698 B
LLVM

; This test ensures that "strength reduction" of conditional expressions are
; working. Basically this boils down to converting setlt,gt,le,ge instructions
; into equivalent setne,eq instructions.
;
; RUN: as < %s | opt -instcombine | dis | grep -v seteq | grep -v setne | not grep set
bool "test1"(uint %A) {
%B = setge uint %A, 1 ; setne %A, 0
ret bool %B
}
bool "test2"(uint %A) {
%B = setgt uint %A, 0 ; setne %A, 0
ret bool %B
}
bool "test3"(sbyte %A) {
%B = setge sbyte %A, -127 ; setne %A, -128
ret bool %B
}
bool %test4(sbyte %A) {
%B = setle sbyte %A, 126 ; setne %A, 127
ret bool %B
}
bool %test5(sbyte %A) {
%B = setlt sbyte %A, 127 ; setne %A, 127
ret bool %B
}