1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -S -globals-aa -early-cse-memssa -earlycse-debug-hash | FileCheck %s 3 4define i16 @f1() readonly { 5 ret i16 0 6} 7 8declare void @f2() 9 10; Check that EarlyCSE correctly handles function calls that don't have 11; a MemoryAccess. In this case the calls to @f1 have no 12; MemoryAccesses since globals-aa determines that @f1 doesn't 13; read/write memory at all. 14 15define void @f3() { 16; CHECK-LABEL: @f3( 17; CHECK-NEXT: [[CALL1:%.*]] = call i16 @f1() 18; CHECK-NEXT: call void @f2() 19; CHECK-NEXT: ret void 20; 21 %call1 = call i16 @f1() 22 call void @f2() 23 %call2 = call i16 @f1() 24 ret void 25} 26