; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6 ; RUN: llc < %s -mtriple=x86_64-linux -stop-after=early-machinelicm -o - | FileCheck %s ; FIXME: MachineLICM does not compute register pressure correctly and we end up ; emitting too many ADD64ri32s. More details: llvm.org/PR23143 %struct.A = type { i32, i32, i32, i32, i32, i32, i32 } define void @test(i1 %b, ptr %a) nounwind { ; CHECK-LABEL: name: test ; CHECK: bb.0.entry: ; CHECK-NEXT: successors: %bb.1(0x80000000) ; CHECK-NEXT: liveins: $edi, $rsi ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr64 = COPY $rsi ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr32 = COPY $edi ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gr8 = COPY [[COPY1]].sub_8bit ; CHECK-NEXT: [[ADD64ri32_:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 4, implicit-def dead $eflags ; CHECK-NEXT: [[ADD64ri32_1:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 8, implicit-def dead $eflags ; CHECK-NEXT: [[ADD64ri32_2:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 12, implicit-def dead $eflags ; CHECK-NEXT: [[ADD64ri32_3:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 16, implicit-def dead $eflags ; CHECK-NEXT: [[ADD64ri32_4:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 20, implicit-def dead $eflags ; CHECK-NEXT: [[ADD64ri32_5:%[0-9]+]]:gr64 = nuw ADD64ri32 [[COPY]], 24, implicit-def dead $eflags ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1.loop-body: ; CHECK-NEXT: successors: %bb.1(0x7c000000), %bb.2(0x04000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: $rdi = COPY [[COPY]] ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: $rdi = COPY [[ADD64ri32_]] ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: $rdi = COPY [[ADD64ri32_1]] ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: $rdi = COPY [[ADD64ri32_2]] ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: $rdi = COPY [[ADD64ri32_3]] ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: $rdi = COPY [[ADD64ri32_4]] ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: $rdi = COPY [[ADD64ri32_5]] ; CHECK-NEXT: CALL64pcrel32 target-flags(x86-plt) @assign, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp ; CHECK-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp ; CHECK-NEXT: TEST8ri [[COPY2]], 1, implicit-def $eflags ; CHECK-NEXT: JCC_1 %bb.1, 5, implicit $eflags ; CHECK-NEXT: JMP_1 %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2.loop-exit: ; CHECK-NEXT: RET 0 entry: br label %loop-header loop-header: br label %loop-body loop-body: %0 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 1 %1 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 2 %2 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 3 %3 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 4 %4 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 5 %5 = getelementptr inbounds %struct.A, ptr %a, i64 0, i32 6 call void @assign(ptr %a) call void @assign(ptr %0) call void @assign(ptr %1) call void @assign(ptr %2) call void @assign(ptr %3) call void @assign(ptr %4) call void @assign(ptr %5) br i1 %b, label %loop-body, label %loop-exit loop-exit: ret void } declare void @assign(ptr)