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llvm-mirror/test/Transforms/InstCombine/or-to-xor.ll
Sanjay Patel 7be14224bc update tests to use FileCheck
llvm-svn: 273784
2016-06-25 17:39:10 +00:00

56 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
define i32 @func1(i32 %a, i32 %b) {
; CHECK-LABEL: @func1(
; CHECK-NEXT: [[T2:%.*]] = xor i32 %a, %b
; CHECK-NEXT: ret i32 [[T2]]
;
%b_not = xor i32 %b, -1
%t0 = and i32 %a, %b_not
%a_not = xor i32 %a, -1
%t1 = and i32 %a_not, %b
%t2 = or i32 %t0, %t1
ret i32 %t2
}
define i32 @func2(i32 %a, i32 %b) {
; CHECK-LABEL: @func2(
; CHECK-NEXT: [[T2:%.*]] = xor i32 %a, %b
; CHECK-NEXT: ret i32 [[T2]]
;
%b_not = xor i32 %b, -1
%t0 = and i32 %b_not, %a
%a_not = xor i32 %a, -1
%t1 = and i32 %a_not, %b
%t2 = or i32 %t0, %t1
ret i32 %t2
}
define i32 @func3(i32 %a, i32 %b) {
; CHECK-LABEL: @func3(
; CHECK-NEXT: [[T2:%.*]] = xor i32 %a, %b
; CHECK-NEXT: ret i32 [[T2]]
;
%b_not = xor i32 %b, -1
%t0 = and i32 %a, %b_not
%a_not = xor i32 %a, -1
%t1 = and i32 %b, %a_not
%t2 = or i32 %t0, %t1
ret i32 %t2
}
define i32 @func4(i32 %a, i32 %b) {
; CHECK-LABEL: @func4(
; CHECK-NEXT: [[T2:%.*]] = xor i32 %a, %b
; CHECK-NEXT: ret i32 [[T2]]
;
%b_not = xor i32 %b, -1
%t0 = and i32 %b_not, %a
%a_not = xor i32 %a, -1
%t1 = and i32 %b, %a_not
%t2 = or i32 %t0, %t1
ret i32 %t2
}