1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 2; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -mtriple=x86_64-unknown-unknown < %s | FileCheck %s 3 4; Make sure the nneg flag is dropped when lshr and zext are interchanged. 5define i8 @get(ptr %box, i32 %in) { 6; CHECK-LABEL: define i8 @get( 7; CHECK-SAME: ptr [[BOX:%.*]], i32 [[IN:%.*]]) { 8; CHECK-NEXT: [[PROMOTED:%.*]] = zext i32 [[IN]] to i64 9; CHECK-NEXT: [[SHR:%.*]] = lshr i64 [[PROMOTED]], 24 10; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[BOX]], i64 [[SHR]] 11; CHECK-NEXT: [[RES:%.*]] = load i8, ptr [[ARRAYIDX]], align 1 12; CHECK-NEXT: ret i8 [[RES]] 13; 14 %shr = lshr i32 %in, 24 15 %idxprom = zext nneg i32 %shr to i64 16 %arrayidx = getelementptr inbounds i8, ptr %box, i64 %idxprom 17 %res = load i8, ptr %arrayidx, align 1 18 ret i8 %res 19} 20