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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=instcombine -S | FileCheck %s3 4declare i8 @llvm.fshl.i8(i8, i8, i8)5declare i8 @llvm.fshr.i8(i8, i8, i8)6declare void @use.i8(i8)7define i1 @cmpeq_rorr_to_rorl(i8 %x, i8 %C) {8; CHECK-LABEL: @cmpeq_rorr_to_rorl(9; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C:%.*]])10; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[X]], [[TMP1]]11; CHECK-NEXT: ret i1 [[R]]12;13 %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C)14 %r = icmp eq i8 %x_rorr, %x15 ret i1 %r16}17 18define i1 @cmpeq_rorr_to_rorl_non_equality_fail(i8 %x, i8 %C) {19; CHECK-LABEL: @cmpeq_rorr_to_rorl_non_equality_fail(20; CHECK-NEXT: [[X_RORR:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C:%.*]])21; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[X_RORR]], [[X]]22; CHECK-NEXT: ret i1 [[R]]23;24 %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C)25 %r = icmp ult i8 %x_rorr, %x26 ret i1 %r27}28 29define i1 @cmpeq_rorr_to_rorl_cmp_against_wrong_val_fail(i8 %x, i8 %C) {30; CHECK-LABEL: @cmpeq_rorr_to_rorl_cmp_against_wrong_val_fail(31; CHECK-NEXT: [[X_RORR:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C:%.*]])32; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[X_RORR]], [[C]]33; CHECK-NEXT: ret i1 [[R]]34;35 %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C)36 %r = icmp ult i8 %x_rorr, %C37 ret i1 %r38}39 40define i1 @cmpeq_rorr_to_rorl_non_ror_fail(i8 %x, i8 %C) {41; CHECK-LABEL: @cmpeq_rorr_to_rorl_non_ror_fail(42; CHECK-NEXT: [[X_RORR:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[C:%.*]], i8 [[C]])43; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[X_RORR]], [[X]]44; CHECK-NEXT: ret i1 [[R]]45;46 %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %C, i8 %C)47 %r = icmp ult i8 %x_rorr, %x48 ret i1 %r49}50 51define i1 @cmpeq_rorr_to_rorl_multiuse_fail(i8 %x, i8 %C) {52; CHECK-LABEL: @cmpeq_rorr_to_rorl_multiuse_fail(53; CHECK-NEXT: [[X_RORR:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C:%.*]])54; CHECK-NEXT: call void @use.i8(i8 [[X_RORR]])55; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[X_RORR]], [[X]]56; CHECK-NEXT: ret i1 [[R]]57;58 %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C)59 call void @use.i8(i8 %x_rorr)60 %r = icmp eq i8 %x_rorr, %x61 ret i1 %r62}63 64define i1 @cmpne_rorr_rorr(i8 %x, i8 %C0, i8 %C1) {65; CHECK-LABEL: @cmpne_rorr_rorr(66; CHECK-NEXT: [[TMP1:%.*]] = sub i8 [[C0:%.*]], [[C1:%.*]]67; CHECK-NEXT: [[TMP2:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 [[TMP1]])68; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[X]], [[TMP2]]69; CHECK-NEXT: ret i1 [[R]]70;71 %x_rorr0 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C0)72 %x_rorr1 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C1)73 %r = icmp ne i8 %x_rorr0, %x_rorr174 ret i1 %r75}76 77define i1 @cmpne_rorrX_rorrY(i8 %x, i8 %y, i8 %C0, i8 %C1) {78; CHECK-LABEL: @cmpne_rorrX_rorrY(79; CHECK-NEXT: [[TMP1:%.*]] = sub i8 [[C0:%.*]], [[C1:%.*]]80; CHECK-NEXT: [[TMP2:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[TMP1]])81; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[Y:%.*]], [[TMP2]]82; CHECK-NEXT: ret i1 [[R]]83;84 %x_rorr0 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C0)85 %y_rorr1 = call i8 @llvm.fshr.i8(i8 %y, i8 %y, i8 %C1)86 %r = icmp ne i8 %x_rorr0, %y_rorr187 ret i1 %r88}89 90 91define i1 @cmpne_rorr_rorr_non_equality_fail(i8 %x, i8 %C0, i8 %C1) {92; CHECK-LABEL: @cmpne_rorr_rorr_non_equality_fail(93; CHECK-NEXT: [[X_RORR0:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C0:%.*]])94; CHECK-NEXT: [[X_RORR1:%.*]] = call i8 @llvm.fshr.i8(i8 [[X]], i8 [[X]], i8 [[C1:%.*]])95; CHECK-NEXT: [[R:%.*]] = icmp sge i8 [[X_RORR0]], [[X_RORR1]]96; CHECK-NEXT: ret i1 [[R]]97;98 %x_rorr0 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C0)99 %x_rorr1 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C1)100 %r = icmp sge i8 %x_rorr0, %x_rorr1101 ret i1 %r102}103 104 105define i1 @cmpne_rorr_rorl_todo_mismatch_C(i8 %x, i8 %C0, i8 %C1) {106; CHECK-LABEL: @cmpne_rorr_rorl_todo_mismatch_C(107; CHECK-NEXT: [[X_RORR0:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C0:%.*]])108; CHECK-NEXT: [[X_RORL1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X]], i8 [[X]], i8 3)109; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[X_RORR0]], [[X_RORL1]]110; CHECK-NEXT: ret i1 [[R]]111;112 %x_rorr0 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C0)113 %x_rorl1 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 3)114 %r = icmp ne i8 %x_rorr0, %x_rorl1115 ret i1 %r116}117 118define i1 @cmpne_rorl_rorl_multiuse1_fail(i8 %x, i8 %C0) {119; CHECK-LABEL: @cmpne_rorl_rorl_multiuse1_fail(120; CHECK-NEXT: [[X_RORL0:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C0:%.*]])121; CHECK-NEXT: [[X_RORL1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X]], i8 [[X]], i8 3)122; CHECK-NEXT: call void @use.i8(i8 [[X_RORL1]])123; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[X_RORL0]], [[X_RORL1]]124; CHECK-NEXT: ret i1 [[R]]125;126 %x_rorl0 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 %C0)127 %x_rorl1 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 3)128 call void @use.i8(i8 %x_rorl1)129 %r = icmp ne i8 %x_rorl0, %x_rorl1130 ret i1 %r131}132 133define i1 @cmpeq_rorlXC_rorlYC_multiuse1(i8 %x, i8 %y) {134; CHECK-LABEL: @cmpeq_rorlXC_rorlYC_multiuse1(135; CHECK-NEXT: [[Y_RORL1:%.*]] = call i8 @llvm.fshl.i8(i8 [[Y:%.*]], i8 [[Y]], i8 3)136; CHECK-NEXT: call void @use.i8(i8 [[Y_RORL1]])137; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 3)138; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Y]], [[TMP1]]139; CHECK-NEXT: ret i1 [[R]]140;141 %x_rorl0 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 6)142 %y_rorl1 = call i8 @llvm.fshl.i8(i8 %y, i8 %y, i8 3)143 call void @use.i8(i8 %y_rorl1)144 %r = icmp eq i8 %x_rorl0, %y_rorl1145 ret i1 %r146}147 148define i1 @cmpeq_rorlC_rorlC_multiuse2_fail(i8 %x) {149; CHECK-LABEL: @cmpeq_rorlC_rorlC_multiuse2_fail(150; CHECK-NEXT: [[X_RORL0:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 6)151; CHECK-NEXT: [[X_RORL1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X]], i8 [[X]], i8 3)152; CHECK-NEXT: call void @use.i8(i8 [[X_RORL0]])153; CHECK-NEXT: call void @use.i8(i8 [[X_RORL1]])154; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[X_RORL0]], [[X_RORL1]]155; CHECK-NEXT: ret i1 [[R]]156;157 %x_rorl0 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 6)158 %x_rorl1 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 3)159 call void @use.i8(i8 %x_rorl0)160 call void @use.i8(i8 %x_rorl1)161 %r = icmp eq i8 %x_rorl0, %x_rorl1162 ret i1 %r163}164