1240aff80SAlex Richardson; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2e5b87727SSanjay Patel; Example input for update_test_checks (taken from test/Transforms/InstSimplify/add.ll) 3*40760060SBjorn Pettersson; RUN: opt < %s -passes=instsimplify -S | FileCheck %s 4240aff80SAlex Richardson 5240aff80SAlex Richardsondefine i32 @common_sub_operand(i32 %X, i32 %Y) { 6240aff80SAlex Richardson; CHECK-LABEL: @common_sub_operand( 7240aff80SAlex Richardson; CHECK-NEXT: ret i32 [[X:%.*]] 8240aff80SAlex Richardson; 9240aff80SAlex Richardson %Z = sub i32 %X, %Y 10240aff80SAlex Richardson %Q = add i32 %Z, %Y 11240aff80SAlex Richardson ret i32 %Q 12240aff80SAlex Richardson} 13240aff80SAlex Richardson 14240aff80SAlex Richardsondefine i32 @negated_operand(i32 %x) { 15240aff80SAlex Richardson; CHECK-LABEL: @negated_operand( 16240aff80SAlex Richardson; CHECK-NEXT: ret i32 0 17240aff80SAlex Richardson; 18240aff80SAlex Richardson %negx = sub i32 0, %x 19240aff80SAlex Richardson %r = add i32 %negx, %x 20240aff80SAlex Richardson ret i32 %r 21240aff80SAlex Richardson} 22240aff80SAlex Richardson 23240aff80SAlex Richardsondefine <2 x i32> @negated_operand_commute_vec(<2 x i32> %x) { 24240aff80SAlex Richardson; CHECK-LABEL: @negated_operand_commute_vec( 25240aff80SAlex Richardson; CHECK-NEXT: ret <2 x i32> zeroinitializer 26240aff80SAlex Richardson; 27240aff80SAlex Richardson %negx = sub <2 x i32> zeroinitializer, %x 28240aff80SAlex Richardson %r = add <2 x i32> %x, %negx 29240aff80SAlex Richardson ret <2 x i32> %r 30240aff80SAlex Richardson} 31240aff80SAlex Richardson 32240aff80SAlex Richardsondefine i8 @knownnegation(i8 %x, i8 %y) { 33240aff80SAlex Richardson; CHECK-LABEL: @knownnegation( 34240aff80SAlex Richardson; CHECK-NEXT: ret i8 0 35240aff80SAlex Richardson; 36240aff80SAlex Richardson %xy = sub i8 %x, %y 37240aff80SAlex Richardson %yx = sub i8 %y, %x 38240aff80SAlex Richardson %r = add i8 %xy, %yx 39240aff80SAlex Richardson ret i8 %r 40240aff80SAlex Richardson} 41240aff80SAlex Richardson 42240aff80SAlex Richardsondefine <2 x i8> @knownnegation_commute_vec(<2 x i8> %x, <2 x i8> %y) { 43240aff80SAlex Richardson; CHECK-LABEL: @knownnegation_commute_vec( 44240aff80SAlex Richardson; CHECK-NEXT: ret <2 x i8> zeroinitializer 45240aff80SAlex Richardson; 46240aff80SAlex Richardson %xy = sub <2 x i8> %x, %y 47240aff80SAlex Richardson %yx = sub <2 x i8> %y, %x 48240aff80SAlex Richardson %r = add <2 x i8> %yx, %xy 49240aff80SAlex Richardson ret <2 x i8> %r 50240aff80SAlex Richardson} 51e5b87727SSanjay Patel 52e5b87727SSanjay Pateldefine i32 @nameless_value(i32 %X) { 53e5b87727SSanjay Patel; CHECK-LABEL: @nameless_value( 54e5b87727SSanjay Patel; CHECK-NEXT: [[TMP1:%.*]] = sub i32 42, [[X:%.*]] 55e5b87727SSanjay Patel; CHECK-NEXT: ret i32 [[TMP1]] 56e5b87727SSanjay Patel; 57e5b87727SSanjay Patel %1 = sub i32 42, %X 58e5b87727SSanjay Patel ret i32 %1 59e5b87727SSanjay Patel} 60