1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2; RUN: opt < %s -passes=instcombine -S | FileCheck %s 3; PR2047 4 5define i32 @l(i32 %a, i32 %b, i32 %c, i32 %d) { 6; CHECK-LABEL: define i32 @l( 7; CHECK-SAME: i32 [[A:%.*]], i32 [[B:%.*]], i32 [[C:%.*]], i32 [[D:%.*]]) { 8; CHECK-NEXT: entry: 9; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[C]], [[B]] 10; CHECK-NEXT: [[SUB6:%.*]] = sub i32 [[D]], [[TMP0]] 11; CHECK-NEXT: ret i32 [[SUB6]] 12; 13entry: 14 %b.neg = sub i32 0, %b ; <i32> [#uses=1] 15 %c.neg = sub i32 0, %c ; <i32> [#uses=1] 16 %sub4 = add i32 %c.neg, %b.neg ; <i32> [#uses=1] 17 %sub6 = add i32 %sub4, %d ; <i32> [#uses=1] 18 ret i32 %sub6 19} 20