; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s declare i8 @llvm.fshl.i8(i8, i8, i8) declare i8 @llvm.fshr.i8(i8, i8, i8) declare void @use.i8(i8) define i1 @cmpeq_rorr_to_rorl(i8 %x, i8 %C) { ; CHECK-LABEL: @cmpeq_rorr_to_rorl( ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C:%.*]]) ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[TMP1]], [[X]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C) %r = icmp eq i8 %x_rorr, %x ret i1 %r } define i1 @cmpeq_rorr_to_rorl_non_equality_fail(i8 %x, i8 %C) { ; CHECK-LABEL: @cmpeq_rorr_to_rorl_non_equality_fail( ; CHECK-NEXT: [[X_RORR:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C:%.*]]) ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[X_RORR]], [[X]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C) %r = icmp ult i8 %x_rorr, %x ret i1 %r } define i1 @cmpeq_rorr_to_rorl_cmp_against_wrong_val_fail(i8 %x, i8 %C) { ; CHECK-LABEL: @cmpeq_rorr_to_rorl_cmp_against_wrong_val_fail( ; CHECK-NEXT: [[X_RORR:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C:%.*]]) ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[X_RORR]], [[C]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C) %r = icmp ult i8 %x_rorr, %C ret i1 %r } define i1 @cmpeq_rorr_to_rorl_non_ror_fail(i8 %x, i8 %C) { ; CHECK-LABEL: @cmpeq_rorr_to_rorl_non_ror_fail( ; CHECK-NEXT: [[X_RORR:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[C:%.*]], i8 [[C]]) ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[X_RORR]], [[X]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %C, i8 %C) %r = icmp ult i8 %x_rorr, %x ret i1 %r } define i1 @cmpeq_rorr_to_rorl_multiuse_fail(i8 %x, i8 %C) { ; CHECK-LABEL: @cmpeq_rorr_to_rorl_multiuse_fail( ; CHECK-NEXT: [[X_RORR:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C:%.*]]) ; CHECK-NEXT: call void @use.i8(i8 [[X_RORR]]) ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[X_RORR]], [[X]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorr = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C) call void @use.i8(i8 %x_rorr) %r = icmp eq i8 %x_rorr, %x ret i1 %r } define i1 @cmpne_rorr_rorr(i8 %x, i8 %C0, i8 %C1) { ; CHECK-LABEL: @cmpne_rorr_rorr( ; CHECK-NEXT: [[TMP1:%.*]] = sub i8 [[C0:%.*]], [[C1:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 [[TMP1]]) ; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[TMP2]], [[X]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorr0 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C0) %x_rorr1 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C1) %r = icmp ne i8 %x_rorr0, %x_rorr1 ret i1 %r } define i1 @cmpne_rorrX_rorrY(i8 %x, i8 %y, i8 %C0, i8 %C1) { ; CHECK-LABEL: @cmpne_rorrX_rorrY( ; CHECK-NEXT: [[TMP1:%.*]] = sub i8 [[C0:%.*]], [[C1:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[TMP1]]) ; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorr0 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C0) %y_rorr1 = call i8 @llvm.fshr.i8(i8 %y, i8 %y, i8 %C1) %r = icmp ne i8 %x_rorr0, %y_rorr1 ret i1 %r } define i1 @cmpne_rorr_rorr_non_equality_fail(i8 %x, i8 %C0, i8 %C1) { ; CHECK-LABEL: @cmpne_rorr_rorr_non_equality_fail( ; CHECK-NEXT: [[X_RORR0:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C0:%.*]]) ; CHECK-NEXT: [[X_RORR1:%.*]] = call i8 @llvm.fshr.i8(i8 [[X]], i8 [[X]], i8 [[C1:%.*]]) ; CHECK-NEXT: [[R:%.*]] = icmp sge i8 [[X_RORR0]], [[X_RORR1]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorr0 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C0) %x_rorr1 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C1) %r = icmp sge i8 %x_rorr0, %x_rorr1 ret i1 %r } define i1 @cmpne_rorr_rorl_todo_mismatch_C(i8 %x, i8 %C0, i8 %C1) { ; CHECK-LABEL: @cmpne_rorr_rorl_todo_mismatch_C( ; CHECK-NEXT: [[X_RORR0:%.*]] = call i8 @llvm.fshr.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C0:%.*]]) ; CHECK-NEXT: [[X_RORL1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X]], i8 [[X]], i8 3) ; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[X_RORR0]], [[X_RORL1]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorr0 = call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %C0) %x_rorl1 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 3) %r = icmp ne i8 %x_rorr0, %x_rorl1 ret i1 %r } define i1 @cmpne_rorl_rorl_multiuse1_fail(i8 %x, i8 %C0) { ; CHECK-LABEL: @cmpne_rorl_rorl_multiuse1_fail( ; CHECK-NEXT: [[X_RORL0:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 [[C0:%.*]]) ; CHECK-NEXT: [[X_RORL1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X]], i8 [[X]], i8 3) ; CHECK-NEXT: call void @use.i8(i8 [[X_RORL1]]) ; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[X_RORL0]], [[X_RORL1]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorl0 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 %C0) %x_rorl1 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 3) call void @use.i8(i8 %x_rorl1) %r = icmp ne i8 %x_rorl0, %x_rorl1 ret i1 %r } define i1 @cmpeq_rorlXC_rorlYC_multiuse1(i8 %x, i8 %y) { ; CHECK-LABEL: @cmpeq_rorlXC_rorlYC_multiuse1( ; CHECK-NEXT: [[Y_RORL1:%.*]] = call i8 @llvm.fshl.i8(i8 [[Y:%.*]], i8 [[Y]], i8 3) ; CHECK-NEXT: call void @use.i8(i8 [[Y_RORL1]]) ; CHECK-NEXT: [[TMP1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 3) ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[TMP1]], [[Y]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorl0 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 6) %y_rorl1 = call i8 @llvm.fshl.i8(i8 %y, i8 %y, i8 3) call void @use.i8(i8 %y_rorl1) %r = icmp eq i8 %x_rorl0, %y_rorl1 ret i1 %r } define i1 @cmpeq_rorlC_rorlC_multiuse2_fail(i8 %x) { ; CHECK-LABEL: @cmpeq_rorlC_rorlC_multiuse2_fail( ; CHECK-NEXT: [[X_RORL0:%.*]] = call i8 @llvm.fshl.i8(i8 [[X:%.*]], i8 [[X]], i8 6) ; CHECK-NEXT: [[X_RORL1:%.*]] = call i8 @llvm.fshl.i8(i8 [[X]], i8 [[X]], i8 3) ; CHECK-NEXT: call void @use.i8(i8 [[X_RORL0]]) ; CHECK-NEXT: call void @use.i8(i8 [[X_RORL1]]) ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[X_RORL0]], [[X_RORL1]] ; CHECK-NEXT: ret i1 [[R]] ; %x_rorl0 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 6) %x_rorl1 = call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 3) call void @use.i8(i8 %x_rorl0) call void @use.i8(i8 %x_rorl1) %r = icmp eq i8 %x_rorl0, %x_rorl1 ret i1 %r }