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1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 52; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -stop-after=x86-optimize-LEAs -experimental-debug-variable-locations=false < %s \3; RUN: | FileCheck %s --check-prefix=NORMAL4; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -stop-after=x86-optimize-LEAs -experimental-debug-variable-locations < %s \5; RUN: | FileCheck %s --check-prefix=INSTRREF6 7; The LEA optimization pass used to crash on this testcase.8 9; This test case used to trigger:10;11; assert(MRI->use_empty(LastVReg) &&12; "The LEA's def register must have no uses");13 14target triple = "x86_64-unknown-linux-gnu"15 16%t10 = type { ptr, [32 x i8] }17 18define void @foo() {19 ; NORMAL-LABEL: name: foo20 ; NORMAL: bb.0.bb_entry:21 ; NORMAL-NEXT: successors: %bb.1(0x80000000)22 ; NORMAL-NEXT: {{ $}}23 ; NORMAL-NEXT: [[MOV32r0_:%[0-9]+]]:gr8 = IMPLICIT_DEF24 ; NORMAL-NEXT: [[COPY:%[0-9]+]]:gr8 = IMPLICIT_DEF25 ; NORMAL-NEXT: [[MOV32r0_1:%[0-9]+]]:gr32 = MOV32r0 implicit-def dead $eflags26 ; NORMAL-NEXT: [[LEA64r:%[0-9]+]]:gr64 = LEA64r %stack.1.i, 1, $noreg, 0, $noreg27 ; NORMAL-NEXT: [[DEF:%[0-9]+]]:gr64 = IMPLICIT_DEF28 ; NORMAL-NEXT: {{ $}}29 ; NORMAL-NEXT: bb.1.bb_8:30 ; NORMAL-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000)31 ; NORMAL-NEXT: {{ $}}32 ; NORMAL-NEXT: TEST8rr [[MOV32r0_]], [[COPY]], implicit-def $eflags33 ; NORMAL-NEXT: JCC_1 %bb.3, 5, implicit $eflags34 ; NORMAL-NEXT: JMP_1 %bb.235 ; NORMAL-NEXT: {{ $}}36 ; NORMAL-NEXT: bb.2.bb_mid:37 ; NORMAL-NEXT: successors: %bb.3(0x80000000)38 ; NORMAL-NEXT: {{ $}}39 ; NORMAL-NEXT: [[MOVUPSrm:%[0-9]+]]:vr128 = MOVUPSrm %stack.1.i, 1, $noreg, 40, $noreg :: (load (s128) from %ir.i4, align 8)40 ; NORMAL-NEXT: MOVUPSmr $noreg, 1, $noreg, 0, $noreg, killed [[MOVUPSrm]] :: (store (s128) into `ptr null`, align 8)41 ; NORMAL-NEXT: DBG_VALUE_LIST !3, !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_plus_uconst, 40, DW_OP_stack_value), %stack.1.i, %stack.1.i, debug-location !842 ; NORMAL-NEXT: [[MOVUPSrm1:%[0-9]+]]:vr128 = MOVUPSrm %stack.1.i, 1, $noreg, 40, $noreg :: (load (s128) from %ir.i6, align 8)43 ; NORMAL-NEXT: MOVUPSmr $noreg, 1, $noreg, 0, $noreg, killed [[MOVUPSrm1]] :: (store (s128) into `ptr null`, align 8)44 ; NORMAL-NEXT: {{ $}}45 ; NORMAL-NEXT: bb.3.bb_last:46 ; NORMAL-NEXT: successors: %bb.1(0x80000000)47 ; NORMAL-NEXT: {{ $}}48 ; NORMAL-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp49 ; NORMAL-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gr64 = SUBREG_TO_REG 0, [[MOV32r0_1]], %subreg.sub_32bit50 ; NORMAL-NEXT: $rdi = COPY [[SUBREG_TO_REG]]51 ; NORMAL-NEXT: $rsi = COPY [[SUBREG_TO_REG]]52 ; NORMAL-NEXT: $rdx = COPY [[SUBREG_TO_REG]]53 ; NORMAL-NEXT: $ecx = COPY [[MOV32r0_1]]54 ; NORMAL-NEXT: $r8 = COPY [[LEA64r]]55 ; NORMAL-NEXT: CALL64r [[DEF]], csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx, implicit $ecx, implicit $r8, implicit-def $rsp, implicit-def $ssp56 ; NORMAL-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp57 ; NORMAL-NEXT: JMP_1 %bb.158 ;59 ; INSTRREF-LABEL: name: foo60 ; INSTRREF: bb.0.bb_entry:61 ; INSTRREF-NEXT: successors: %bb.1(0x80000000)62 ; INSTRREF-NEXT: {{ $}}63 ; INSTRREF-NEXT: [[MOV32r0_:%[0-9]+]]:gr8 = IMPLICIT_DEF64 ; INSTRREF-NEXT: [[COPY:%[0-9]+]]:gr8 = IMPLICIT_DEF65 ; INSTRREF-NEXT: [[MOV32r0_1:%[0-9]+]]:gr32 = MOV32r0 implicit-def dead $eflags66 ; INSTRREF-NEXT: [[LEA64r:%[0-9]+]]:gr64 = LEA64r %stack.1.i, 1, $noreg, 0, $noreg67 ; INSTRREF-NEXT: [[DEF:%[0-9]+]]:gr64 = IMPLICIT_DEF68 ; INSTRREF-NEXT: {{ $}}69 ; INSTRREF-NEXT: bb.1.bb_8:70 ; INSTRREF-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000)71 ; INSTRREF-NEXT: {{ $}}72 ; INSTRREF-NEXT: TEST8rr [[MOV32r0_]], [[COPY]], implicit-def $eflags73 ; INSTRREF-NEXT: JCC_1 %bb.3, 5, implicit $eflags74 ; INSTRREF-NEXT: JMP_1 %bb.275 ; INSTRREF-NEXT: {{ $}}76 ; INSTRREF-NEXT: bb.2.bb_mid:77 ; INSTRREF-NEXT: successors: %bb.3(0x80000000)78 ; INSTRREF-NEXT: {{ $}}79 ; INSTRREF-NEXT: [[MOVUPSrm:%[0-9]+]]:vr128 = MOVUPSrm %stack.1.i, 1, $noreg, 40, $noreg :: (load (s128) from %ir.i4, align 8)80 ; INSTRREF-NEXT: MOVUPSmr $noreg, 1, $noreg, 0, $noreg, killed [[MOVUPSrm]] :: (store (s128) into `ptr null`, align 8)81 ; INSTRREF-NEXT: DBG_VALUE_LIST !3, !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_plus_uconst, 40, DW_OP_stack_value), %stack.1.i, %stack.1.i, debug-location !882 ; INSTRREF-NEXT: [[MOVUPSrm1:%[0-9]+]]:vr128 = MOVUPSrm %stack.1.i, 1, $noreg, 40, $noreg :: (load (s128) from %ir.i6, align 8)83 ; INSTRREF-NEXT: MOVUPSmr $noreg, 1, $noreg, 0, $noreg, killed [[MOVUPSrm1]] :: (store (s128) into `ptr null`, align 8)84 ; INSTRREF-NEXT: {{ $}}85 ; INSTRREF-NEXT: bb.3.bb_last:86 ; INSTRREF-NEXT: successors: %bb.1(0x80000000)87 ; INSTRREF-NEXT: {{ $}}88 ; INSTRREF-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp89 ; INSTRREF-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gr64 = SUBREG_TO_REG 0, [[MOV32r0_1]], %subreg.sub_32bit90 ; INSTRREF-NEXT: $rdi = COPY [[SUBREG_TO_REG]]91 ; INSTRREF-NEXT: $rsi = COPY [[SUBREG_TO_REG]]92 ; INSTRREF-NEXT: $rdx = COPY [[SUBREG_TO_REG]]93 ; INSTRREF-NEXT: $ecx = COPY [[MOV32r0_1]]94 ; INSTRREF-NEXT: $r8 = COPY [[LEA64r]]95 ; INSTRREF-NEXT: CALL64r [[DEF]], csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx, implicit $ecx, implicit $r8, implicit-def $rsp, implicit-def $ssp96 ; INSTRREF-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp97 ; INSTRREF-NEXT: JMP_1 %bb.198bb_entry:99 %tmp11 = alloca [0 x [0 x i32]], i32 0, align 4100 %i = alloca %t10, align 8101 %i1 = alloca %t10, align 8102 br label %bb_8103 104bb_8: ; preds = %bb_last, %bb_entry105 br i1 poison, label %bb_last, label %bb_mid106 107bb_mid: ; preds = %bb_8108 %i4 = getelementptr inbounds %t10, ptr %i1, i64 0, i32 1, i64 32109 %i6 = getelementptr inbounds %t10, ptr %i, i64 0, i32 1, i64 32110 call void @llvm.lifetime.start.p0(i64 0, ptr nonnull %i1)111 %v21 = call i64 @llvm.ctlz.i64(i64 undef, i1 false)112 call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull dereferenceable(16) null, ptr noundef nonnull align 8 dereferenceable(16) %i4, i64 16, i1 false)113 call void @llvm.dbg.value(metadata !DIArgList(ptr %i4, ptr %i4), metadata !4, metadata !DIExpression(DW_OP_LLVM_arg, 0)), !dbg !9114 call void @llvm.lifetime.end.p0(i64 0, ptr nonnull %i1)115 call void @llvm.lifetime.start.p0(i64 0, ptr nonnull %i)116 call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull dereferenceable(16) null, ptr noundef nonnull align 8 dereferenceable(16) %i6, i64 16, i1 false)117 call void @llvm.lifetime.end.p0(i64 0, ptr nonnull %i)118 br label %bb_last119 120bb_last: ; preds = %bb_mid, %bb_8121 call void @llvm.lifetime.start.p0(i64 0, ptr nonnull %tmp11)122 call void undef(ptr null, ptr null, ptr null, i32 0, ptr nonnull %tmp11)123 call void @llvm.lifetime.end.p0(i64 0, ptr nonnull %tmp11)124 br label %bb_8125}126 127declare i64 @llvm.ctlz.i64(i64, i1 immarg)128declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg)129declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)130declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)131declare void @llvm.dbg.value(metadata, metadata, metadata)132 133!llvm.dbg.cu = !{!0}134!llvm.module.flags = !{!2}135 136!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)137!1 = !DIFile(filename: "n", directory: "/proc/self/cwd", checksumkind: CSK_MD5, checksum: "e588179fedd8fcdfada963f2434cb950")138!2 = !{i32 2, !"Debug Info Version", i32 3}139!3 = !{!"function_entry_count", i64 2423}140!4 = !DILocalVariable(name: "r", scope: !5, file: !6, line: 93)141!5 = distinct !DISubprogram(name: "c", scope: !7, file: !6, line: 92, spFlags: DISPFlagDefinition, unit: !0)142!6 = !DIFile(filename: "a", directory: "/proc/self/cwd")143!7 = !DINamespace(name: "u", scope: !8)144!8 = !DINamespace(name: "s", scope: null)145!9 = !DILocation(line: 0, scope: !5)146