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[InstCombine] updated test comments; NFC

As suggested in review for:
rG4abab5c5ca7b
This commit is contained in:
Sanjay Patel 2020-04-26 08:45:08 -04:00
parent 6c1cc25022
commit f441ec0184

View File

@ -38,7 +38,7 @@ define i1 @PR2330(i32 %a, i32 %b) {
}
; if LHSC and RHSC differ only by one bit:
; (X == C1 || X == C2) -> (X | (C1 ^ C2)) == C2
; (X == C1 || X == C2) -> (X & ~(C1 ^ C2)) == C1 (C1 has 1 less set bit)
; PR14708: https://bugs.llvm.org/show_bug.cgi?id=14708
define i1 @or_eq_with_one_bit_diff_constants1(i32 %x) {
@ -53,7 +53,7 @@ define i1 @or_eq_with_one_bit_diff_constants1(i32 %x) {
ret i1 %or
}
; (X != C1 && X != C2) -> (X | (C1 ^ C2)) != C2
; (X != C1 && X != C2) -> (X & ~(C1 ^ C2)) != C1 (C1 has 1 less set bit)
define i1 @and_ne_with_one_bit_diff_constants1(i32 %x) {
; CHECK-LABEL: @and_ne_with_one_bit_diff_constants1(