1*6dd60824SAhmed Bougacha; RUN: llc -fast-isel -pass-remarks-missed=isel -pass-remarks-missed=isel \ 2*6dd60824SAhmed Bougacha; RUN: -mtriple arm64-- < %s 2> %t | FileCheck %s 320b3e9a8SAhmed Bougacha; RUN: cat %t | FileCheck %s --check-prefix MISSED 420b3e9a8SAhmed Bougacha 520b3e9a8SAhmed Bougacha%struct = type { [4 x i32] } 620b3e9a8SAhmed Bougacha 720b3e9a8SAhmed Bougachadeclare %struct @external() 820b3e9a8SAhmed Bougacha 920b3e9a8SAhmed Bougacha; Check that, when fastisel falls back to SDAG, we don't emit instructions 1020b3e9a8SAhmed Bougacha; that follow a tail-call and would have been dropped by pure SDAGISel. 1120b3e9a8SAhmed Bougacha 1220b3e9a8SAhmed Bougacha; Here, the %struct extractvalue should fail FastISel. 1320b3e9a8SAhmed Bougacha 14*6dd60824SAhmed Bougacha; MISSED: FastISel missed: %tmp1 = extractvalue %struct %tmp0, 0 1520b3e9a8SAhmed Bougacha 1620b3e9a8SAhmed Bougacha; CHECK-LABEL: test: 1720b3e9a8SAhmed Bougacha; CHECK: b external 1820b3e9a8SAhmed Bougacha; CHECK-NEXT: .Lfunc_end0: 1920b3e9a8SAhmed Bougachadefine i32 @test() nounwind { 2020b3e9a8SAhmed Bougacha %tmp0 = tail call %struct @external() 2120b3e9a8SAhmed Bougacha %tmp1 = extractvalue %struct %tmp0, 0 2220b3e9a8SAhmed Bougacha %tmp2 = extractvalue [4 x i32] %tmp1, 0 2320b3e9a8SAhmed Bougacha ret i32 %tmp2 2420b3e9a8SAhmed Bougacha} 25