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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
183 lines
5.7 KiB
LLVM
183 lines
5.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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define i32 @uaddo_commute1(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @uaddo_commute1(
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; CHECK-NEXT: [[NOTY:%.*]] = xor i32 [[Y:%.*]], -1
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; CHECK-NEXT: [[A:%.*]] = add i32 [[X:%.*]], [[Y]]
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; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[Z:%.*]], i32 [[A]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%noty = xor i32 %y, -1
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%a = add i32 %x, %y
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%c = icmp ugt i32 %x, %noty
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%r = select i1 %c, i32 %z, i32 %a
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ret i32 %r
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}
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define <2 x i32> @uaddo_commute2(<2 x i32> %x, <2 x i32> %y, <2 x i32> %z) {
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; CHECK-LABEL: @uaddo_commute2(
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; CHECK-NEXT: [[NOTY:%.*]] = xor <2 x i32> [[Y:%.*]], <i32 -1, i32 -1>
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; CHECK-NEXT: [[A:%.*]] = add <2 x i32> [[Y]], [[X:%.*]]
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; CHECK-NEXT: [[C:%.*]] = icmp ult <2 x i32> [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[C]], <2 x i32> [[Z:%.*]], <2 x i32> [[A]]
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; CHECK-NEXT: ret <2 x i32> [[R]]
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;
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%noty = xor <2 x i32> %y, <i32 -1, i32 -1>
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%a = add <2 x i32> %y, %x
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%c = icmp ugt <2 x i32> %x, %noty
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%r = select <2 x i1> %c, <2 x i32> %z, <2 x i32> %a
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ret <2 x i32> %r
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}
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define i32 @uaddo_commute3(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @uaddo_commute3(
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; CHECK-NEXT: [[NOTY:%.*]] = xor i32 [[Y:%.*]], -1
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; CHECK-NEXT: [[A:%.*]] = add i32 [[X:%.*]], [[Y]]
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; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[Z:%.*]], i32 [[A]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%noty = xor i32 %y, -1
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%a = add i32 %x, %y
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%c = icmp ult i32 %noty, %x
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%r = select i1 %c, i32 %z, i32 %a
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ret i32 %r
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}
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define i32 @uaddo_commute4(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @uaddo_commute4(
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; CHECK-NEXT: [[NOTY:%.*]] = xor i32 [[Y:%.*]], -1
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; CHECK-NEXT: [[A:%.*]] = add i32 [[Y]], [[X:%.*]]
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; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[Z:%.*]], i32 [[A]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%noty = xor i32 %y, -1
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%a = add i32 %y, %x
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%c = icmp ult i32 %noty, %x
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%r = select i1 %c, i32 %z, i32 %a
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ret i32 %r
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}
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define i32 @uaddo_commute5(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @uaddo_commute5(
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; CHECK-NEXT: [[NOTY:%.*]] = xor i32 [[Y:%.*]], -1
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; CHECK-NEXT: [[A:%.*]] = add i32 [[X:%.*]], [[Y]]
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; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[A]], i32 [[Z:%.*]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%noty = xor i32 %y, -1
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%a = add i32 %x, %y
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%c = icmp ugt i32 %x, %noty
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%r = select i1 %c, i32 %a, i32 %z
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ret i32 %r
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}
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define i32 @uaddo_commute6(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @uaddo_commute6(
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; CHECK-NEXT: [[NOTY:%.*]] = xor i32 [[Y:%.*]], -1
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; CHECK-NEXT: [[A:%.*]] = add i32 [[Y]], [[X:%.*]]
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; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[A]], i32 [[Z:%.*]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%noty = xor i32 %y, -1
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%a = add i32 %y, %x
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%c = icmp ugt i32 %x, %noty
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%r = select i1 %c, i32 %a, i32 %z
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ret i32 %r
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}
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define i32 @uaddo_commute7(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @uaddo_commute7(
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; CHECK-NEXT: [[NOTY:%.*]] = xor i32 [[Y:%.*]], -1
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; CHECK-NEXT: [[A:%.*]] = add i32 [[X:%.*]], [[Y]]
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; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[A]], i32 [[Z:%.*]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%noty = xor i32 %y, -1
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%a = add i32 %x, %y
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%c = icmp ult i32 %noty, %x
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%r = select i1 %c, i32 %a, i32 %z
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ret i32 %r
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}
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define i32 @uaddo_commute8(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @uaddo_commute8(
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; CHECK-NEXT: [[NOTY:%.*]] = xor i32 [[Y:%.*]], -1
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; CHECK-NEXT: [[A:%.*]] = add i32 [[Y]], [[X:%.*]]
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; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[A]], i32 [[Z:%.*]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%noty = xor i32 %y, -1
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%a = add i32 %y, %x
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%c = icmp ult i32 %noty, %x
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%r = select i1 %c, i32 %a, i32 %z
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ret i32 %r
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}
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define i32 @uaddo_wrong_pred1(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @uaddo_wrong_pred1(
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; CHECK-NEXT: [[NOTY:%.*]] = xor i32 [[Y:%.*]], -1
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; CHECK-NEXT: [[A:%.*]] = add i32 [[X:%.*]], [[Y]]
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; CHECK-NEXT: [[C:%.*]] = icmp ugt i32 [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[Z:%.*]], i32 [[A]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%noty = xor i32 %y, -1
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%a = add i32 %x, %y
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%c = icmp ult i32 %x, %noty
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%r = select i1 %c, i32 %z, i32 %a
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ret i32 %r
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}
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define i32 @uaddo_wrong_pred2(i32 %x, i32 %y, i32 %z) {
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; CHECK-LABEL: @uaddo_wrong_pred2(
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; CHECK-NEXT: [[NOTY:%.*]] = xor i32 [[Y:%.*]], -1
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; CHECK-NEXT: [[A:%.*]] = add i32 [[X:%.*]], [[Y]]
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; CHECK-NEXT: [[C:%.*]] = icmp ugt i32 [[NOTY]], [[X]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[A]], i32 [[Z:%.*]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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%noty = xor i32 %y, -1
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%a = add i32 %x, %y
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%c = icmp uge i32 %x, %noty
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%r = select i1 %c, i32 %z, i32 %a
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ret i32 %r
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}
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; icmp canonicalization should be consistent for these cases.
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; Either the compare depends on the sum or not.
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define i1 @uaddo_1(i8 %x, i8* %p) {
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; CHECK-LABEL: @uaddo_1(
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; CHECK-NEXT: [[A:%.*]] = add i8 [[X:%.*]], 1
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; CHECK-NEXT: store i8 [[A]], i8* [[P:%.*]], align 1
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; CHECK-NEXT: [[C:%.*]] = icmp eq i8 [[A]], 0
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; CHECK-NEXT: ret i1 [[C]]
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;
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%a = add i8 %x, 1
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store i8 %a, i8* %p
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%c = icmp ult i8 %a, 1
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ret i1 %c
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}
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define i1 @uaddo_neg1(i8 %x, i8* %p) {
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; CHECK-LABEL: @uaddo_neg1(
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; CHECK-NEXT: [[A:%.*]] = add i8 [[X:%.*]], -1
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; CHECK-NEXT: store i8 [[A]], i8* [[P:%.*]], align 1
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; CHECK-NEXT: [[C:%.*]] = icmp ne i8 [[X]], 0
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; CHECK-NEXT: ret i1 [[C]]
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;
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%a = add i8 %x, -1
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store i8 %a, i8* %p
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%c = icmp ne i8 %a, -1
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ret i1 %c
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}
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