496 lines
13 KiB
LLVM
496 lines
13 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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; TODO: All of these should be optimized to less than or equal to a single
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; instruction of select/and/or.
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; --- (A op B) op' A / (B op A) op' A ---
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; (A land B) land A
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define i1 @land_land_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_land_left1(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %A, i1 %B, i1 false
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%res = select i1 %c, i1 %A, i1 false
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ret i1 %res
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}
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define i1 @land_land_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_land_left2(
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[B:%.*]], i1 [[A:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = select i1 %B, i1 %A, i1 false
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%res = select i1 %c, i1 %A, i1 false
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ret i1 %res
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}
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; (A land B) band A
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define i1 @land_band_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_band_left1(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %A, i1 %B, i1 false
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%res = and i1 %c, %A
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ret i1 %res
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}
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define i1 @land_band_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_band_left2(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i1 [[A:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %B, i1 %A, i1 false
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%res = and i1 %c, %A
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ret i1 %res
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}
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; (A land B) lor A
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define i1 @land_lor_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_lor_left1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %A, i1 %B, i1 false
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%res = select i1 %c, i1 true, i1 %A
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ret i1 %res
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}
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define i1 @land_lor_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_lor_left2(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i1 [[A:%.*]], i1 false
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[C]], i1 true, i1 [[A]]
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = select i1 %B, i1 %A, i1 false
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%res = select i1 %c, i1 true, i1 %A
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ret i1 %res
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}
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; (A land B) bor A
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define i1 @land_bor_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_bor_left1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %A, i1 %B, i1 false
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%res = or i1 %c, %A
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ret i1 %res
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}
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define i1 @land_bor_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_bor_left2(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %B, i1 %A, i1 false
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%res = or i1 %c, %A
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ret i1 %res
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}
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; (A band B) land A
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define i1 @band_land_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @band_land_left1(
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; CHECK-NEXT: [[C:%.*]] = and i1 [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = and i1 %A, %B
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%res = select i1 %c, i1 %A, i1 false
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ret i1 %res
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}
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define i1 @band_land_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @band_land_left2(
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; CHECK-NEXT: [[C:%.*]] = and i1 [[B:%.*]], [[A:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = and i1 %B, %A
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%res = select i1 %c, i1 %A, i1 false
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ret i1 %res
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}
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; (A band B) lor A
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define i1 @band_lor_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @band_lor_left1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = and i1 %A, %B
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%res = select i1 %c, i1 true, i1 %A
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ret i1 %res
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}
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define i1 @band_lor_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @band_lor_left2(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = and i1 %B, %A
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%res = select i1 %c, i1 true, i1 %A
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ret i1 %res
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}
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; (A lor B) land A
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define i1 @lor_land_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_land_left1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %A, i1 true, i1 %B
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%res = select i1 %c, i1 %A, i1 false
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ret i1 %res
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}
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define i1 @lor_land_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_land_left2(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i1 true, i1 [[A:%.*]]
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[C]], i1 [[A]], i1 false
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = select i1 %B, i1 true, i1 %A
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%res = select i1 %c, i1 %A, i1 false
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ret i1 %res
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}
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; (A lor B) band A
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define i1 @lor_band_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_band_left1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %A, i1 true, i1 %B
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%res = and i1 %c, %A
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ret i1 %res
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}
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define i1 @lor_band_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_band_left2(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %B, i1 true, i1 %A
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%res = and i1 %c, %A
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ret i1 %res
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}
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; (A lor B) lor A
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define i1 @lor_lor_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_lor_left1(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %A, i1 true, i1 %B
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%res = select i1 %c, i1 true, i1 %A
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ret i1 %res
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}
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define i1 @lor_lor_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_lor_left2(
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[B:%.*]], i1 true, i1 [[A:%.*]]
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = select i1 %B, i1 true, i1 %A
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%res = select i1 %c, i1 true, i1 %A
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ret i1 %res
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}
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; (A lor B) bor A
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define i1 @lor_bor_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_bor_left1(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %A, i1 true, i1 %B
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%res = or i1 %c, %A
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ret i1 %res
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}
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define i1 @lor_bor_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_bor_left2(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i1 true, i1 [[A:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %B, i1 true, i1 %A
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%res = or i1 %c, %A
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ret i1 %res
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}
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; (A bor B) land A
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define i1 @bor_land_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @bor_land_left1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = or i1 %A, %B
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%res = select i1 %c, i1 %A, i1 false
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ret i1 %res
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}
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define i1 @bor_land_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @bor_land_left2(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = or i1 %B, %A
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%res = select i1 %c, i1 %A, i1 false
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ret i1 %res
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}
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; (A bor B) lor A
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define i1 @bor_lor_left1(i1 %A, i1 %B) {
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; CHECK-LABEL: @bor_lor_left1(
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; CHECK-NEXT: [[C:%.*]] = or i1 [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = or i1 %A, %B
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%res = select i1 %c, i1 true, i1 %A
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ret i1 %res
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}
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define i1 @bor_lor_left2(i1 %A, i1 %B) {
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; CHECK-LABEL: @bor_lor_left2(
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; CHECK-NEXT: [[C:%.*]] = or i1 [[B:%.*]], [[A:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = or i1 %B, %A
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%res = select i1 %c, i1 true, i1 %A
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ret i1 %res
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}
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; --- A op (A op' B) / A op (B op' A) ---
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; A land (A land B)
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define i1 @land_land_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_land_right1(
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = select i1 %A, i1 %B, i1 false
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%res = select i1 %A, i1 %c, i1 false
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ret i1 %res
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}
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define i1 @land_land_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_land_right2(
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = select i1 %B, i1 %A, i1 false
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%res = select i1 %A, i1 %c, i1 false
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ret i1 %res
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}
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; A band (A land B)
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define i1 @land_band_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_band_right1(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %A, i1 %B, i1 false
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%res = and i1 %A, %c
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ret i1 %res
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}
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define i1 @land_band_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_band_right2(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i1 [[A:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %B, i1 %A, i1 false
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%res = and i1 %A, %c
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ret i1 %res
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}
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; A lor (A land B)
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define i1 @land_lor_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_lor_right1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %A, i1 %B, i1 false
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%res = select i1 %A, i1 true, i1 %c
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ret i1 %res
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}
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define i1 @land_lor_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_lor_right2(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %B, i1 %A, i1 false
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%res = select i1 %A, i1 true, i1 %c
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ret i1 %res
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}
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; A bor (A land B)
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define i1 @land_bor_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_bor_right1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %A, i1 %B, i1 false
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%res = or i1 %A, %c
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ret i1 %res
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}
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define i1 @land_bor_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @land_bor_right2(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %B, i1 %A, i1 false
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%res = or i1 %A, %c
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ret i1 %res
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}
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; A land (A band B)
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define i1 @band_land_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @band_land_right1(
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = and i1 %A, %B
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%res = select i1 %A, i1 %c, i1 false
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ret i1 %res
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}
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define i1 @band_land_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @band_land_right2(
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 [[B:%.*]], i1 false
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = and i1 %B, %A
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%res = select i1 %A, i1 %c, i1 false
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ret i1 %res
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}
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; A lor (A band B)
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define i1 @band_lor_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @band_lor_right1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = and i1 %A, %B
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%res = select i1 %A, i1 true, i1 %c
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ret i1 %res
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}
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define i1 @band_lor_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @band_lor_right2(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = and i1 %B, %A
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%res = select i1 %A, i1 true, i1 %c
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ret i1 %res
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}
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; A land (A lor B)
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define i1 @lor_land_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_land_right1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %A, i1 true, i1 %B
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%res = select i1 %A, i1 %c, i1 false
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ret i1 %res
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}
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define i1 @lor_land_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_land_right2(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %B, i1 true, i1 %A
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%res = select i1 %A, i1 %c, i1 false
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ret i1 %res
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}
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; A band (A lor B)
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define i1 @lor_band_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_band_right1(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %A, i1 true, i1 %B
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%res = and i1 %A, %c
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ret i1 %res
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}
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define i1 @lor_band_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_band_right2(
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; CHECK-NEXT: ret i1 [[A:%.*]]
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;
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%c = select i1 %B, i1 true, i1 %A
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%res = and i1 %A, %c
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ret i1 %res
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}
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; A lor (A lor B)
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define i1 @lor_lor_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_lor_right1(
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]]
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = select i1 %A, i1 true, i1 %B
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%res = select i1 %A, i1 true, i1 %c
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ret i1 %res
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}
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define i1 @lor_lor_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_lor_right2(
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; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]]
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; CHECK-NEXT: ret i1 [[RES]]
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;
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%c = select i1 %B, i1 true, i1 %A
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%res = select i1 %A, i1 true, i1 %c
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ret i1 %res
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}
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; A bor (A lor B)
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define i1 @lor_bor_right1(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_bor_right1(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %A, i1 true, i1 %B
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%res = or i1 %A, %c
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ret i1 %res
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}
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define i1 @lor_bor_right2(i1 %A, i1 %B) {
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; CHECK-LABEL: @lor_bor_right2(
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; CHECK-NEXT: [[C:%.*]] = select i1 [[B:%.*]], i1 true, i1 [[A:%.*]]
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; CHECK-NEXT: ret i1 [[C]]
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;
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%c = select i1 %B, i1 true, i1 %A
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%res = or i1 %A, %c
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ret i1 %res
|
|
}
|
|
|
|
; A land (A bor B)
|
|
define i1 @bor_land_right1(i1 %A, i1 %B) {
|
|
; CHECK-LABEL: @bor_land_right1(
|
|
; CHECK-NEXT: ret i1 [[A:%.*]]
|
|
;
|
|
%c = or i1 %A, %B
|
|
%res = select i1 %A, i1 %c, i1 false
|
|
ret i1 %res
|
|
}
|
|
define i1 @bor_land_right2(i1 %A, i1 %B) {
|
|
; CHECK-LABEL: @bor_land_right2(
|
|
; CHECK-NEXT: ret i1 [[A:%.*]]
|
|
;
|
|
%c = or i1 %B, %A
|
|
%res = select i1 %A, i1 %c, i1 false
|
|
ret i1 %res
|
|
}
|
|
|
|
; A lor (A bor B)
|
|
define i1 @bor_lor_right1(i1 %A, i1 %B) {
|
|
; CHECK-LABEL: @bor_lor_right1(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[RES]]
|
|
;
|
|
%c = or i1 %A, %B
|
|
%res = select i1 %A, i1 true, i1 %c
|
|
ret i1 %res
|
|
}
|
|
define i1 @bor_lor_right2(i1 %A, i1 %B) {
|
|
; CHECK-LABEL: @bor_lor_right2(
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[A:%.*]], i1 true, i1 [[B:%.*]]
|
|
; CHECK-NEXT: ret i1 [[RES]]
|
|
;
|
|
%c = or i1 %B, %A
|
|
%res = select i1 %A, i1 true, i1 %c
|
|
ret i1 %res
|
|
}
|
|
|
|
; Value equivalence substitution does not account for vector
|
|
; transforms, so it needs a scalar condition operand.
|
|
; For example, this would miscompile if %a = {1, 0}.
|
|
|
|
define <2 x i1> @PR50500_trueval(<2 x i1> %a, <2 x i1> %b) {
|
|
; CHECK-LABEL: @PR50500_trueval(
|
|
; CHECK-NEXT: [[S:%.*]] = shufflevector <2 x i1> [[A:%.*]], <2 x i1> poison, <2 x i32> <i32 1, i32 0>
|
|
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[A]], <2 x i1> [[S]], <2 x i1> [[B:%.*]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%s = shufflevector <2 x i1> %a, <2 x i1> poison, <2 x i32> <i32 1, i32 0>
|
|
%r = select <2 x i1> %a, <2 x i1> %s, <2 x i1> %b
|
|
ret <2 x i1> %r
|
|
}
|
|
|
|
define <2 x i1> @PR50500_falseval(<2 x i1> %a, <2 x i1> %b) {
|
|
; CHECK-LABEL: @PR50500_falseval(
|
|
; CHECK-NEXT: [[S:%.*]] = shufflevector <2 x i1> [[A:%.*]], <2 x i1> poison, <2 x i32> <i32 1, i32 0>
|
|
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[A]], <2 x i1> [[B:%.*]], <2 x i1> [[S]]
|
|
; CHECK-NEXT: ret <2 x i1> [[R]]
|
|
;
|
|
%s = shufflevector <2 x i1> %a, <2 x i1> poison, <2 x i32> <i32 1, i32 0>
|
|
%r = select <2 x i1> %a, <2 x i1> %b, <2 x i1> %s
|
|
ret <2 x i1> %r
|
|
}
|