; RUN: opt < %s -instcombine -S | \
-; RUN: grep and | count 1
+; RUN: FileCheck %s
; Should be optimized to one and.
define i1 @test1(i32 %a, i32 %b) {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT: %1 = xor i32 %a, %b
+; CHECK-NEXT: %2 = and i32 %1, 65280
+; CHECK-NEXT: %tmp = icmp ne i32 %2, 0
+; CHECK-NEXT: ret i1 %tmp
%tmp1 = and i32 %a, 65280 ; <i32> [#uses=1]
%tmp3 = and i32 %b, 65280 ; <i32> [#uses=1]
%tmp = icmp ne i32 %tmp1, %tmp3 ; <i1> [#uses=1]
ret i1 %tmp
}
-
-; RUN: opt < %s -instcombine -S | grep and | count 1
-; RUN: opt < %s -instcombine -S | grep xor | count 2
+; RUN: opt < %s -instcombine -S | FileCheck %s
; (x&z) ^ (y&z) -> (x^y)&z
define i32 @test1(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT: %tmp61 = xor i32 %x, %y
+; CHECK-NEXT: %tmp7 = and i32 %tmp61, %z
+; CHECK-NEXT: ret i32 %tmp7
%tmp3 = and i32 %z, %x
%tmp6 = and i32 %z, %y
%tmp7 = xor i32 %tmp3, %tmp6
; (x & y) ^ (x|y) -> x^y
define i32 @test2(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT: %tmp7 = xor i32 %y, %x
+; CHECK-NEXT: ret i32 %tmp7
%tmp3 = and i32 %y, %x
%tmp6 = or i32 %y, %x
%tmp7 = xor i32 %tmp3, %tmp6
ret i32 %tmp7
}
-