556 lines
16 KiB
LLVM
556 lines
16 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
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define i1 @logical_and_of_or_commute0(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_and_of_or_commute0(
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; CHECK-NEXT: ret i1 [[X:%.*]]
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;
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%ynot = xor i1 %y, -1
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%xory = select i1 %x, i1 true, i1 %y
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%xorynot = select i1 %x, i1 true, i1 %ynot
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%and = select i1 %xory, i1 %xorynot, i1 false
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ret i1 %and
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}
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define <2 x i1> @logical_and_of_or_commute1(<2 x i1> %x, <2 x i1> %y) {
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; CHECK-LABEL: @logical_and_of_or_commute1(
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; CHECK-NEXT: ret <2 x i1> [[X:%.*]]
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;
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%ynot = xor <2 x i1> %y, <i1 -1, i1 poison>
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%xory = select <2 x i1> %y, <2 x i1> <i1 true, i1 true>, <2 x i1> %x
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%xorynot = select <2 x i1> %x, <2 x i1> <i1 true, i1 true>, <2 x i1> %ynot
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%and = select <2 x i1> %xory, <2 x i1> %xorynot, <2 x i1> zeroinitializer
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ret <2 x i1> %and
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}
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define i1 @logical_and_of_or_commute2(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_and_of_or_commute2(
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; CHECK-NEXT: ret i1 [[X:%.*]]
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;
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%ynot = xor i1 %y, -1
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%xory = select i1 %x, i1 true, i1 %y
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%xorynot = select i1 %ynot, i1 true, i1 %x
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%and = select i1 %xory, i1 %xorynot, i1 false
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ret i1 %and
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}
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define i1 @logical_and_of_or_commute3(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_and_of_or_commute3(
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; CHECK-NEXT: ret i1 [[X:%.*]]
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;
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%ynot = xor i1 %y, -1
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%xory = select i1 %y, i1 true, i1 %x
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%xorynot = select i1 %ynot, i1 true, i1 %x
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%and = select i1 %xory, i1 %xorynot, i1 false
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ret i1 %and
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}
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define i1 @logical_and_of_or_commute4(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_and_of_or_commute4(
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; CHECK-NEXT: ret i1 [[X:%.*]]
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;
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%ynot = xor i1 %y, -1
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%xory = select i1 %x, i1 true, i1 %y
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%xorynot = select i1 %x, i1 true, i1 %ynot
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%and = select i1 %xorynot, i1 %xory, i1 false
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ret i1 %and
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}
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define i1 @logical_and_of_or_commute5(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_and_of_or_commute5(
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; CHECK-NEXT: ret i1 [[X:%.*]]
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;
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%ynot = xor i1 %y, -1
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%xory = select i1 %y, i1 true, i1 %x
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%xorynot = select i1 %x, i1 true, i1 %ynot
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%and = select i1 %xorynot, i1 %xory, i1 false
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ret i1 %and
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}
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define i1 @logical_and_of_or_commute6(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_and_of_or_commute6(
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; CHECK-NEXT: ret i1 [[X:%.*]]
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;
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%ynot = xor i1 %y, -1
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%xory = select i1 %x, i1 true, i1 %y
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%xorynot = select i1 %ynot, i1 true, i1 %x
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%and = select i1 %xorynot, i1 %xory, i1 false
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ret i1 %and
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}
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define i1 @logical_and_of_or_commute7(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_and_of_or_commute7(
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; CHECK-NEXT: ret i1 [[X:%.*]]
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;
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%ynot = xor i1 %y, -1
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%xory = select i1 %y, i1 true, i1 %x
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%xorynot = select i1 %ynot, i1 true, i1 %x
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%and = select i1 %xorynot, i1 %xory, i1 false
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ret i1 %and
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}
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; negative test - wrong logic op
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define i1 @logical_and_of_or_and(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_and_of_or_and(
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; CHECK-NEXT: [[XANDY:%.*]] = select i1 [[Y:%.*]], i1 [[X:%.*]], i1 false
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; CHECK-NEXT: [[YNOT:%.*]] = xor i1 [[Y]], true
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; CHECK-NEXT: [[XORYNOT:%.*]] = select i1 [[YNOT]], i1 true, i1 [[X]]
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; CHECK-NEXT: [[AND:%.*]] = select i1 [[XORYNOT]], i1 [[XANDY]], i1 false
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; CHECK-NEXT: ret i1 [[AND]]
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;
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%xandy = select i1 %y, i1 %x, i1 false
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%ynot = xor i1 %y, -1
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%xorynot = select i1 %ynot, i1 true, i1 %x
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%and = select i1 %xorynot, i1 %xandy, i1 false
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ret i1 %and
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}
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; negative test - must have common operands
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define i1 @logical_and_of_or_no_common_op(i1 %x, i1 %y, i1 %z) {
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; CHECK-LABEL: @logical_and_of_or_no_common_op(
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; CHECK-NEXT: [[XORZ:%.*]] = select i1 [[X:%.*]], i1 true, i1 [[Z:%.*]]
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; CHECK-NEXT: [[YNOT:%.*]] = xor i1 [[Y:%.*]], true
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; CHECK-NEXT: [[XORYNOT:%.*]] = select i1 [[X]], i1 true, i1 [[YNOT]]
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; CHECK-NEXT: [[AND:%.*]] = select i1 [[XORYNOT]], i1 [[XORZ]], i1 false
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; CHECK-NEXT: ret i1 [[AND]]
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;
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%xorz = select i1 %x, i1 true, i1 %z
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%ynot = xor i1 %y, -1
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%xorynot = select i1 %x, i1 true, i1 %ynot
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%and = select i1 %xorynot, i1 %xorz, i1 false
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ret i1 %and
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}
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; !(X | Y) && X --> false
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define i1 @or_not_and(i1 %x, i1 %y) {
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; CHECK-LABEL: @or_not_and(
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; CHECK-NEXT: ret i1 false
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;
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%l.and = or i1 %x, %y
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%not = xor i1 %l.and, true
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%r = select i1 %not, i1 %x, i1 false
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ret i1 %r
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}
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; vector case !(X | Y) && X --> false
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define <2 x i1> @or_not_and_vector(<2 x i1> %x, <2 x i1> %y) {
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; CHECK-LABEL: @or_not_and_vector(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%l.and = or <2 x i1> %x, %y
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%not = xor <2 x i1> %l.and, <i1 true, i1 true>
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%r = select <2 x i1> %not, <2 x i1> %x, <2 x i1> <i1 false, i1 false>
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ret <2 x i1> %r
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}
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; vector case !(X | Y) && X --> false
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define <2 x i1> @or_not_and_vector_poison1(<2 x i1> %x, <2 x i1> %y) {
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; CHECK-LABEL: @or_not_and_vector_poison1(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%l.and = or <2 x i1> %x, %y
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%not = xor <2 x i1> %l.and, <i1 poison, i1 true>
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%r = select <2 x i1> %not, <2 x i1> %x, <2 x i1> <i1 false, i1 false>
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ret <2 x i1> %r
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}
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; vector case !(X | Y) && X --> false
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define <2 x i1> @or_not_and_vector_poison2(<2 x i1> %x, <2 x i1> %y) {
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; CHECK-LABEL: @or_not_and_vector_poison2(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%l.and = or <2 x i1> %x, %y
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%not = xor <2 x i1> %l.and, <i1 true, i1 true>
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%r = select <2 x i1> %not, <2 x i1> %x, <2 x i1> <i1 poison, i1 false>
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ret <2 x i1> %r
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}
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; !(X || Y) && X --> false
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define i1 @logical_or_not_and(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_or_not_and(
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; CHECK-NEXT: ret i1 false
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;
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%l.and = select i1 %x, i1 true, i1 %y
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%not = xor i1 %l.and, true
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%r = select i1 %not, i1 %x, i1 false
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ret i1 %r
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}
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; !(X || Y) && Y --> false
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define i1 @logical_or_not_and_commute_or(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_or_not_and_commute_or(
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; CHECK-NEXT: ret i1 false
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;
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%l.and = select i1 %x, i1 true, i1 %y
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%not = xor i1 %l.and, true
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%r = select i1 %not, i1 %y, i1 false
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ret i1 %r
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}
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; vector case !(X || Y) && X --> false
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define <3 x i1> @logical_or_not_and_vector1(<3 x i1> %x, <3 x i1> %y) {
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; CHECK-LABEL: @logical_or_not_and_vector1(
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; CHECK-NEXT: ret <3 x i1> zeroinitializer
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;
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%l.and = select <3 x i1> %x, <3 x i1> <i1 true, i1 true, i1 true>, <3 x i1> %y
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%not = xor <3 x i1> %l.and, <i1 true, i1 true, i1 true>
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%r = select <3 x i1> %not, <3 x i1> %x, <3 x i1> <i1 false, i1 false, i1 false>
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ret <3 x i1> %r
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}
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; TODO: this could transform to false
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; vector case !(X || Y) && X --> false
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define <3 x i1> @logical_or_not_and_vector1_poison1(<3 x i1> %x, <3 x i1> %y) {
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; CHECK-LABEL: @logical_or_not_and_vector1_poison1(
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; CHECK-NEXT: [[L_AND:%.*]] = select <3 x i1> [[X:%.*]], <3 x i1> <i1 true, i1 true, i1 poison>, <3 x i1> [[Y:%.*]]
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; CHECK-NEXT: [[NOT:%.*]] = xor <3 x i1> [[L_AND]], <i1 true, i1 true, i1 true>
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; CHECK-NEXT: [[R:%.*]] = select <3 x i1> [[NOT]], <3 x i1> [[X]], <3 x i1> zeroinitializer
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; CHECK-NEXT: ret <3 x i1> [[R]]
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;
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%l.and = select <3 x i1> %x, <3 x i1> <i1 true, i1 true, i1 poison>, <3 x i1> %y
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%not = xor <3 x i1> %l.and, <i1 true, i1 true, i1 true>
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%r = select <3 x i1> %not, <3 x i1> %x, <3 x i1> <i1 false, i1 false, i1 false>
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ret <3 x i1> %r
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}
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; vector case !(X || Y) && X --> false
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define <3 x i1> @logical_or_not_and_vector1_poison2(<3 x i1> %x, <3 x i1> %y) {
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; CHECK-LABEL: @logical_or_not_and_vector1_poison2(
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; CHECK-NEXT: ret <3 x i1> zeroinitializer
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;
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%l.and = select <3 x i1> %x, <3 x i1> <i1 true, i1 true, i1 true>, <3 x i1> %y
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%not = xor <3 x i1> %l.and, <i1 true, i1 poison, i1 true>
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%r = select <3 x i1> %not, <3 x i1> %x, <3 x i1> <i1 false, i1 false, i1 false>
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ret <3 x i1> %r
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}
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; vector case !(X || Y) && X --> false
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define <3 x i1> @logical_or_not_and_vector1_poison3(<3 x i1> %x, <3 x i1> %y) {
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; CHECK-LABEL: @logical_or_not_and_vector1_poison3(
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; CHECK-NEXT: ret <3 x i1> zeroinitializer
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;
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%l.and = select <3 x i1> %x, <3 x i1> <i1 true, i1 true, i1 true>, <3 x i1> %y
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%not = xor <3 x i1> %l.and, <i1 true, i1 true, i1 true>
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%r = select <3 x i1> %not, <3 x i1> %x, <3 x i1> <i1 poison, i1 false, i1 false>
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ret <3 x i1> %r
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}
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; negative test - must have common operands
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define i1 @logical_not_or_and_negative1(i1 %x, i1 %y, i1 %z) {
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; CHECK-LABEL: @logical_not_or_and_negative1(
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; CHECK-NEXT: [[OR:%.*]] = or i1 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[OR]], i1 false, i1 [[Z:%.*]]
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; CHECK-NEXT: ret i1 [[R]]
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;
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%or = or i1 %x, %y
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%r = select i1 %or, i1 false, i1 %z
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ret i1 %r
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}
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; (X | Y) ? false : X --> false
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define i1 @or_select_false_x_case1(i1 %x, i1 %y) {
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; CHECK-LABEL: @or_select_false_x_case1(
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; CHECK-NEXT: ret i1 false
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;
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%or = or i1 %x, %y
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%r = select i1 %or, i1 false, i1 %x
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ret i1 %r
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}
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; (X | Y) ? false : X --> false
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define i1 @or_select_false_x_case2(i1 %x, i1 %y) {
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; CHECK-LABEL: @or_select_false_x_case2(
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; CHECK-NEXT: ret i1 false
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;
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%or = or i1 %x, %y
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%r = select i1 %or, i1 false, i1 %y
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ret i1 %r
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}
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; vector case (X | Y) ? false : X --> false
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define <2 x i1> @or_select_false_x_vector(<2 x i1> %x, <2 x i1> %y) {
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; CHECK-LABEL: @or_select_false_x_vector(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%or = or <2 x i1> %x, %y
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%r = select <2 x i1> %or, <2 x i1> <i1 false, i1 false>, <2 x i1> %x
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ret <2 x i1> %r
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}
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; vector poison case (X | Y) ? false : X --> false
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define <2 x i1> @or_select_false_x_vector_poison(<2 x i1> %x, <2 x i1> %y) {
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; CHECK-LABEL: @or_select_false_x_vector_poison(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%or = or <2 x i1> %x, %y
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%r = select <2 x i1> %or, <2 x i1> <i1 poison, i1 false>, <2 x i1> %x
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ret <2 x i1> %r
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}
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; (X || Y) ? false : X --> false
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define i1 @logical_or_select_false_x_case1(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_or_select_false_x_case1(
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; CHECK-NEXT: ret i1 false
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;
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%or = select i1 %x, i1 true, i1 %y
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%r = select i1 %or, i1 false, i1 %x
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ret i1 %r
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}
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; (X || Y) ? false : X --> false
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define i1 @logical_or_select_false_x_case2(i1 %x, i1 %y) {
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; CHECK-LABEL: @logical_or_select_false_x_case2(
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; CHECK-NEXT: ret i1 false
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;
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%or = select i1 %y, i1 true, i1 %x
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%r = select i1 %or, i1 false, i1 %x
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ret i1 %r
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}
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; vector case (X || Y) ? false : X --> false
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define <2 x i1> @logical_or_select_false_x_vector(<2 x i1> %x, <2 x i1> %y) {
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; CHECK-LABEL: @logical_or_select_false_x_vector(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%or = select <2 x i1> %y, <2 x i1> <i1 true, i1 true>, <2 x i1> %x
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%r = select <2 x i1> %or, <2 x i1> <i1 false, i1 false>, <2 x i1> %x
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ret <2 x i1> %r
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}
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; TODO: this could transform to false
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; vector poison case (X || Y) ? false : X --> false
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define <2 x i1> @logical_or_select_false_x_vector_poison1(<2 x i1> %x, <2 x i1> %y) {
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; CHECK-LABEL: @logical_or_select_false_x_vector_poison1(
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; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> [[Y:%.*]], <2 x i1> <i1 poison, i1 true>, <2 x i1> [[X:%.*]]
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; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[OR]], <2 x i1> zeroinitializer, <2 x i1> [[X]]
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; CHECK-NEXT: ret <2 x i1> [[R]]
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;
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%or = select <2 x i1> %y, <2 x i1> <i1 poison, i1 true>, <2 x i1> %x
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%r = select <2 x i1> %or, <2 x i1> <i1 false, i1 false>, <2 x i1> %x
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ret <2 x i1> %r
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}
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; vector poison case (X || Y) ? false : X --> false
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define <2 x i1> @logical_or_select_false_x_vector_poison2(<2 x i1> %x, <2 x i1> %y) {
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; CHECK-LABEL: @logical_or_select_false_x_vector_poison2(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%or = select <2 x i1> %y, <2 x i1> <i1 true, i1 true>, <2 x i1> %x
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%r = select <2 x i1> %or, <2 x i1> <i1 poison, i1 false>, <2 x i1> %x
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ret <2 x i1> %r
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}
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; negative test - must have common operands
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define i1 @or_select_false_x_negative(i1 %x, i1 %y, i1 %z) {
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; CHECK-LABEL: @or_select_false_x_negative(
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; CHECK-NEXT: [[OR:%.*]] = or i1 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[R:%.*]] = select i1 [[OR]], i1 false, i1 [[Z:%.*]]
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; CHECK-NEXT: ret i1 [[R]]
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;
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%or = or i1 %x, %y
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%r = select i1 %or, i1 false, i1 %z
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|
ret i1 %r
|
|
}
|
|
|
|
; (X || Y) ? X : Y --> X
|
|
|
|
define i1 @select_or_same_op(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @select_or_same_op(
|
|
; CHECK-NEXT: ret i1 [[X:%.*]]
|
|
;
|
|
%or = or i1 %x, %y
|
|
%r = select i1 %or, i1 %x, i1 %y
|
|
ret i1 %r
|
|
}
|
|
|
|
|
|
define i1 @select_or_same_op_commute(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @select_or_same_op_commute(
|
|
; CHECK-NEXT: ret i1 [[Y:%.*]]
|
|
;
|
|
%or = or i1 %x, %y
|
|
%r = select i1 %or, i1 %y, i1 %x
|
|
ret i1 %r
|
|
}
|
|
|
|
|
|
define <2 x i1> @select_or_same_op_vector1(<2 x i1> %x, <2 x i1> %y) {
|
|
; CHECK-LABEL: @select_or_same_op_vector1(
|
|
; CHECK-NEXT: ret <2 x i1> [[X:%.*]]
|
|
;
|
|
%or = or <2 x i1> %x, %y
|
|
%r = select <2 x i1> %or, <2 x i1> %x, <2 x i1> %y
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
|
|
define i1 @select_logic_or1_same_op(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @select_logic_or1_same_op(
|
|
; CHECK-NEXT: ret i1 [[X:%.*]]
|
|
;
|
|
%or = select i1 %x, i1 true, i1 %y
|
|
%r = select i1 %or, i1 %x, i1 %y
|
|
ret i1 %r
|
|
}
|
|
|
|
|
|
define i1 @select_logic_or2_same_op(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @select_logic_or2_same_op(
|
|
; CHECK-NEXT: ret i1 [[X:%.*]]
|
|
;
|
|
%or = select i1 %y, i1 true, i1 %x
|
|
%r = select i1 %or, i1 %x, i1 %y
|
|
ret i1 %r
|
|
}
|
|
|
|
|
|
define <2 x i1> @select_or_same_op_vector2(<2 x i1> %x, <2 x i1> %y) {
|
|
; CHECK-LABEL: @select_or_same_op_vector2(
|
|
; CHECK-NEXT: ret <2 x i1> [[X:%.*]]
|
|
;
|
|
%or = select <2 x i1> %x, <2 x i1> <i1 true, i1 true>, <2 x i1> %y
|
|
%r = select <2 x i1> %or, <2 x i1> %x, <2 x i1> %y
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
; TODO: this could transform to X
|
|
; (X || Y) ? X : Y --> X
|
|
|
|
define <2 x i1> @select_or_same_op_vector2_poison(<2 x i1> %x, <2 x i1> %y) {
|
|
; CHECK-LABEL: @select_or_same_op_vector2_poison(
|
|
; CHECK-NEXT: [[OR:%.*]] = select <2 x i1> [[X:%.*]], <2 x i1> <i1 true, i1 poison>, <2 x i1> [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[OR]], <2 x i1> [[X]], <2 x i1> [[Y]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%or = select <2 x i1> %x, <2 x i1> <i1 true, i1 poison>, <2 x i1> %y
|
|
%r = select <2 x i1> %or, <2 x i1> %x, <2 x i1> %y
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
; negative test - must have common operands
|
|
|
|
define i1 @select_or_same_op_negative(i1 %x, i1 %y, i1 %z) {
|
|
; CHECK-LABEL: @select_or_same_op_negative(
|
|
; CHECK-NEXT: [[OR:%.*]] = or i1 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = select i1 [[OR]], i1 [[X]], i1 [[Z:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%or = or i1 %x, %y
|
|
%r = select i1 %or, i1 %x, i1 %z
|
|
ret i1 %r
|
|
}
|
|
|
|
; (X && Y) ? X : Y --> Y
|
|
|
|
define i1 @select_and_same_op(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @select_and_same_op(
|
|
; CHECK-NEXT: ret i1 [[Y:%.*]]
|
|
;
|
|
%a = and i1 %x, %y
|
|
%r = select i1 %a, i1 %x, i1 %y
|
|
ret i1 %r
|
|
}
|
|
|
|
|
|
define i1 @select_and_same_op_commute(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @select_and_same_op_commute(
|
|
; CHECK-NEXT: ret i1 [[X:%.*]]
|
|
;
|
|
%a = and i1 %x, %y
|
|
%r = select i1 %a, i1 %y, i1 %x
|
|
ret i1 %r
|
|
}
|
|
|
|
|
|
define <2 x i1> @select_and_same_op_vector1(<2 x i1> %x, <2 x i1> %y) {
|
|
; CHECK-LABEL: @select_and_same_op_vector1(
|
|
; CHECK-NEXT: ret <2 x i1> [[Y:%.*]]
|
|
;
|
|
%a = and <2 x i1> %x, %y
|
|
%r = select <2 x i1> %a, <2 x i1> %x, <2 x i1> %y
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
|
|
define i1 @select_logic_and1_same_op(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @select_logic_and1_same_op(
|
|
; CHECK-NEXT: ret i1 [[Y:%.*]]
|
|
;
|
|
%a = select i1 %x, i1 %y, i1 false
|
|
%r = select i1 %a, i1 %x, i1 %y
|
|
ret i1 %r
|
|
}
|
|
|
|
|
|
define i1 @select_logic_and2_same_op(i1 %x, i1 %y) {
|
|
; CHECK-LABEL: @select_logic_and2_same_op(
|
|
; CHECK-NEXT: ret i1 [[Y:%.*]]
|
|
;
|
|
%a = select i1 %y, i1 %x, i1 false
|
|
%r = select i1 %a, i1 %x, i1 %y
|
|
ret i1 %r
|
|
}
|
|
|
|
|
|
define <2 x i1> @select_and_same_op_vector2(<2 x i1> %x, <2 x i1> %y) {
|
|
; CHECK-LABEL: @select_and_same_op_vector2(
|
|
; CHECK-NEXT: ret <2 x i1> [[Y:%.*]]
|
|
;
|
|
%a = select <2 x i1> %x, <2 x i1> %y, <2 x i1> zeroinitializer
|
|
%r = select <2 x i1> %a, <2 x i1> %x, <2 x i1> %y
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
; TODO: this could transform to Y
|
|
; (X && Y) ? X : Y --> Y
|
|
|
|
define <2 x i1> @select_and_same_op_vector2_poison(<2 x i1> %x, <2 x i1> %y) {
|
|
; CHECK-LABEL: @select_and_same_op_vector2_poison(
|
|
; CHECK-NEXT: [[A:%.*]] = select <2 x i1> [[X:%.*]], <2 x i1> [[Y:%.*]], <2 x i1> <i1 false, i1 poison>
|
|
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[A]], <2 x i1> [[X]], <2 x i1> [[Y]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%a = select <2 x i1> %x, <2 x i1> %y, <2 x i1> <i1 false, i1 poison>
|
|
%r = select <2 x i1> %a, <2 x i1> %x, <2 x i1> %y
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
; negative test - must have common operands
|
|
|
|
define i1 @select_and_same_op_negative(i1 %x, i1 %y, i1 %z) {
|
|
; CHECK-LABEL: @select_and_same_op_negative(
|
|
; CHECK-NEXT: [[A:%.*]] = and i1 [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[R:%.*]] = select i1 [[A]], i1 [[X]], i1 [[Z:%.*]]
|
|
; CHECK-NEXT: ret i1 [[R]]
|
|
;
|
|
%a = and i1 %x, %y
|
|
%r = select i1 %a, i1 %x, i1 %z
|
|
ret i1 %r
|
|
}
|