1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 2; Example input for update_test_checks (taken from test/Transforms/InstSimplify/add.ll) 3; RUN: opt < %s -passes=instsimplify -S | FileCheck %s 4 5define i32 @common_sub_operand(i32 %X, i32 %Y) { 6; CHECK-LABEL: define i32 @common_sub_operand 7; CHECK-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]]) { 8; CHECK-NEXT: ret i32 [[X]] 9; 10 %Z = sub i32 %X, %Y 11 %Q = add i32 %Z, %Y 12 ret i32 %Q 13} 14 15define i32 @negated_operand(i32 %x) { 16; CHECK-LABEL: define i32 @negated_operand 17; CHECK-SAME: (i32 [[X:%.*]]) { 18; CHECK-NEXT: ret i32 0 19; 20 %negx = sub i32 0, %x 21 %r = add i32 %negx, %x 22 ret i32 %r 23} 24 25define <2 x i32> @negated_operand_commute_vec(<2 x i32> %x) { 26; CHECK-LABEL: define <2 x i32> @negated_operand_commute_vec 27; CHECK-SAME: (<2 x i32> [[X:%.*]]) { 28; CHECK-NEXT: ret <2 x i32> zeroinitializer 29; 30 %negx = sub <2 x i32> zeroinitializer, %x 31 %r = add <2 x i32> %x, %negx 32 ret <2 x i32> %r 33} 34 35define i8 @knownnegation(i8 %x, i8 %y) { 36; CHECK-LABEL: define i8 @knownnegation 37; CHECK-SAME: (i8 [[X:%.*]], i8 [[Y:%.*]]) { 38; CHECK-NEXT: ret i8 0 39; 40 %xy = sub i8 %x, %y 41 %yx = sub i8 %y, %x 42 %r = add i8 %xy, %yx 43 ret i8 %r 44} 45 46define <2 x i8> @knownnegation_commute_vec(<2 x i8> %x, <2 x i8> %y) { 47; CHECK-LABEL: define <2 x i8> @knownnegation_commute_vec 48; CHECK-SAME: (<2 x i8> [[X:%.*]], <2 x i8> [[Y:%.*]]) { 49; CHECK-NEXT: ret <2 x i8> zeroinitializer 50; 51 %xy = sub <2 x i8> %x, %y 52 %yx = sub <2 x i8> %y, %x 53 %r = add <2 x i8> %yx, %xy 54 ret <2 x i8> %r 55} 56 57define i32 @nameless_value(i32 %X) { 58; CHECK-LABEL: define i32 @nameless_value 59; CHECK-SAME: (i32 [[X:%.*]]) { 60; CHECK-NEXT: [[TMP1:%.*]] = sub i32 42, [[X]] 61; CHECK-NEXT: ret i32 [[TMP1]] 62; 63 %1 = sub i32 42, %X 64 ret i32 %1 65} 66