llvm-mirror/test/Transforms/InstSimplify/addsub.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

79 lines
1.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instsimplify -S | FileCheck %s
define i1 @test1(i1 %a) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: ret i1 true
;
%b = xor i1 %a, true
%res = sub i1 %a, %b
ret i1 %res
}
define <2 x i1> @test2(<2 x i1> %a) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%b = xor <2 x i1> %a, <i1 true, i1 true>
%res = sub <2 x i1> %a, %b
ret <2 x i1> %res
}
define i1 @test5(i1 %a) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: ret i1 false
;
%res = add i1 %a, %a
ret i1 %res
}
define <2 x i1> @test6(<2 x i1> %a) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%res = add <2 x i1> %a, %a
ret <2 x i1> %res
}
define i1 @test7(i1 %a) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: ret i1 [[A:%.*]]
;
%c = xor i1 %a, true
%res = add i1 %c, true
ret i1 %res
}
; TODO: simplify this to %a
define i1 @test8(i1 %a) {
; CHECK-LABEL: @test8(
; CHECK-NEXT: [[C:%.*]] = add i1 [[A:%.*]], true
; CHECK-NEXT: [[RES:%.*]] = xor i1 [[C]], true
; CHECK-NEXT: ret i1 [[RES]]
;
%c = add i1 %a, true
%res = xor i1 %c, true
ret i1 %res
}
define i1 @test9(i1 %a) {
; CHECK-LABEL: @test9(
; CHECK-NEXT: ret i1 [[A:%.*]]
;
%c = xor i1 %a, true
%res = sub i1 %c, true
ret i1 %res
}
; TODO: simplify this to %a
define i1 @test10(i1 %a) {
; CHECK-LABEL: @test10(
; CHECK-NEXT: [[C:%.*]] = sub i1 [[A:%.*]], true
; CHECK-NEXT: [[RES:%.*]] = xor i1 [[C]], true
; CHECK-NEXT: ret i1 [[RES]]
;
%c = sub i1 %a, true
%res = xor i1 %c, true
ret i1 %res
}