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-rw-r--r--test/Transforms/InstCombine/or-xor.ll36
1 files changed, 15 insertions, 21 deletions
diff --git a/test/Transforms/InstCombine/or-xor.ll b/test/Transforms/InstCombine/or-xor.ll
index 670e3e0..546b777 100644
--- a/test/Transforms/InstCombine/or-xor.ll
+++ b/test/Transforms/InstCombine/or-xor.ll
@@ -103,81 +103,75 @@ define i32 @test10(i32 %A, i32 %B) {
; CHECK-NEXT: ret i32 -1
}
-define i32 @test11(i32 %A, i32 %B) {
- %xor1 = xor i32 %B, %A
- %not = xor i32 %A, -1
- %xor2 = xor i32 %not, %B
- %or = or i32 %xor1, %xor2
- ret i32 %or
-; CHECK-LABEL: @test11(
-; CHECK-NEXT: ret i32 -1
-}
-
; (x | y) & ((~x) ^ y) -> (x & y)
-define i32 @test12(i32 %x, i32 %y) {
+define i32 @test11(i32 %x, i32 %y) {
%or = or i32 %x, %y
%neg = xor i32 %x, -1
%xor = xor i32 %neg, %y
%and = and i32 %or, %xor
ret i32 %and
-; CHECK-LABEL: @test12(
+; CHECK-LABEL: @test11(
; CHECK-NEXT: %and = and i32 %x, %y
; CHECK-NEXT: ret i32 %and
}
; ((~x) ^ y) & (x | y) -> (x & y)
-define i32 @test13(i32 %x, i32 %y) {
+define i32 @test12(i32 %x, i32 %y) {
%neg = xor i32 %x, -1
%xor = xor i32 %neg, %y
%or = or i32 %x, %y
%and = and i32 %xor, %or
ret i32 %and
-; CHECK-LABEL: @test13(
+; CHECK-LABEL: @test12(
; CHECK-NEXT: %and = and i32 %x, %y
; CHECK-NEXT: ret i32 %and
}
; ((x | y) ^ (x ^ y)) -> (x & y)
-define i32 @test15(i32 %x, i32 %y) {
+define i32 @test13(i32 %x, i32 %y) {
%1 = xor i32 %y, %x
%2 = or i32 %y, %x
%3 = xor i32 %2, %1
ret i32 %3
-; CHECK-LABEL: @test15(
+; CHECK-LABEL: @test13(
; CHECK-NEXT: %1 = and i32 %y, %x
; CHECK-NEXT: ret i32 %1
}
; ((x | ~y) ^ (~x | y)) -> x ^ y
-define i32 @test16(i32 %x, i32 %y) {
+define i32 @test14(i32 %x, i32 %y) {
%noty = xor i32 %y, -1
%notx = xor i32 %x, -1
%or1 = or i32 %x, %noty
%or2 = or i32 %notx, %y
%xor = xor i32 %or1, %or2
ret i32 %xor
-; CHECK-LABEL: @test16(
+; CHECK-LABEL: @test14(
; CHECK-NEXT: %xor = xor i32 %x, %y
; CHECK-NEXT: ret i32 %xor
}
; ((x & ~y) ^ (~x & y)) -> x ^ y
-define i32 @test17(i32 %x, i32 %y) {
+define i32 @test15(i32 %x, i32 %y) {
%noty = xor i32 %y, -1
%notx = xor i32 %x, -1
%and1 = and i32 %x, %noty
%and2 = and i32 %notx, %y
%xor = xor i32 %and1, %and2
ret i32 %xor
-; CHECK-LABEL: @test17(
+; CHECK-LABEL: @test15(
; CHECK-NEXT: %xor = xor i32 %x, %y
; CHECK-NEXT: ret i32 %xor
}
-define i32 @test18(i32 %a, i32 %b) {
+define i32 @test16(i32 %a, i32 %b) {
%or = xor i32 %a, %b
%and1 = and i32 %or, 1
%and2 = and i32 %b, -2
%xor = or i32 %and1, %and2
ret i32 %xor
+; CHECK-LABEL: @test16(
+; CHECK-NEXT: %1 = and i32 %a, 1
+; CHECK-NEXT: %xor = xor i32 %1, %b
+; CHECK-NEXT: ret i32 %xor
}