1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5 2; 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=NORMAL 4; 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=INSTRREF 6 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: foo 20 ; NORMAL: bb.0.bb_entry: 21 ; NORMAL-NEXT: successors: %bb.1(0x80000000) 22 ; NORMAL-NEXT: {{ $}} 23 ; NORMAL-NEXT: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def dead $eflags 24 ; NORMAL-NEXT: [[COPY:%[0-9]+]]:gr8 = COPY [[MOV32r0_]].sub_8bit 25 ; NORMAL-NEXT: [[LEA64r:%[0-9]+]]:gr64 = LEA64r %stack.1.i, 1, $noreg, 0, $noreg 26 ; NORMAL-NEXT: [[DEF:%[0-9]+]]:gr64 = IMPLICIT_DEF 27 ; NORMAL-NEXT: {{ $}} 28 ; NORMAL-NEXT: bb.1.bb_8: 29 ; NORMAL-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000) 30 ; NORMAL-NEXT: {{ $}} 31 ; NORMAL-NEXT: TEST8rr [[COPY]], [[COPY]], implicit-def $eflags 32 ; NORMAL-NEXT: JCC_1 %bb.3, 5, implicit $eflags 33 ; NORMAL-NEXT: JMP_1 %bb.2 34 ; NORMAL-NEXT: {{ $}} 35 ; NORMAL-NEXT: bb.2.bb_mid: 36 ; NORMAL-NEXT: successors: %bb.3(0x80000000) 37 ; NORMAL-NEXT: {{ $}} 38 ; NORMAL-NEXT: [[MOVUPSrm:%[0-9]+]]:vr128 = MOVUPSrm %stack.1.i, 1, $noreg, 40, $noreg :: (load (s128) from %ir.i4, align 8) 39 ; NORMAL-NEXT: MOVUPSmr $noreg, 1, $noreg, 0, $noreg, killed [[MOVUPSrm]] :: (store (s128) into `ptr null`, align 8) 40 ; 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 !8 41 ; NORMAL-NEXT: [[MOVUPSrm1:%[0-9]+]]:vr128 = MOVUPSrm %stack.1.i, 1, $noreg, 40, $noreg :: (load (s128) from %ir.i6, align 8) 42 ; NORMAL-NEXT: MOVUPSmr $noreg, 1, $noreg, 0, $noreg, killed [[MOVUPSrm1]] :: (store (s128) into `ptr null`, align 8) 43 ; NORMAL-NEXT: {{ $}} 44 ; NORMAL-NEXT: bb.3.bb_last: 45 ; NORMAL-NEXT: successors: %bb.1(0x80000000) 46 ; NORMAL-NEXT: {{ $}} 47 ; NORMAL-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 48 ; NORMAL-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gr64 = SUBREG_TO_REG 0, [[MOV32r0_]], %subreg.sub_32bit 49 ; NORMAL-NEXT: $rdi = COPY [[SUBREG_TO_REG]] 50 ; NORMAL-NEXT: $rsi = COPY [[SUBREG_TO_REG]] 51 ; NORMAL-NEXT: $rdx = COPY [[SUBREG_TO_REG]] 52 ; NORMAL-NEXT: $ecx = COPY [[MOV32r0_]] 53 ; NORMAL-NEXT: $r8 = COPY [[LEA64r]] 54 ; 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 $ssp 55 ; NORMAL-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 56 ; NORMAL-NEXT: JMP_1 %bb.1 57 ; 58 ; INSTRREF-LABEL: name: foo 59 ; INSTRREF: bb.0.bb_entry: 60 ; INSTRREF-NEXT: successors: %bb.1(0x80000000) 61 ; INSTRREF-NEXT: {{ $}} 62 ; INSTRREF-NEXT: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def dead $eflags 63 ; INSTRREF-NEXT: [[COPY:%[0-9]+]]:gr8 = COPY [[MOV32r0_]].sub_8bit 64 ; INSTRREF-NEXT: [[LEA64r:%[0-9]+]]:gr64 = LEA64r %stack.1.i, 1, $noreg, 0, $noreg 65 ; INSTRREF-NEXT: [[DEF:%[0-9]+]]:gr64 = IMPLICIT_DEF 66 ; INSTRREF-NEXT: {{ $}} 67 ; INSTRREF-NEXT: bb.1.bb_8: 68 ; INSTRREF-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000) 69 ; INSTRREF-NEXT: {{ $}} 70 ; INSTRREF-NEXT: TEST8rr [[COPY]], [[COPY]], implicit-def $eflags 71 ; INSTRREF-NEXT: JCC_1 %bb.3, 5, implicit $eflags 72 ; INSTRREF-NEXT: JMP_1 %bb.2 73 ; INSTRREF-NEXT: {{ $}} 74 ; INSTRREF-NEXT: bb.2.bb_mid: 75 ; INSTRREF-NEXT: successors: %bb.3(0x80000000) 76 ; INSTRREF-NEXT: {{ $}} 77 ; INSTRREF-NEXT: [[MOVUPSrm:%[0-9]+]]:vr128 = MOVUPSrm %stack.1.i, 1, $noreg, 40, $noreg :: (load (s128) from %ir.i4, align 8) 78 ; INSTRREF-NEXT: MOVUPSmr $noreg, 1, $noreg, 0, $noreg, killed [[MOVUPSrm]] :: (store (s128) into `ptr null`, align 8) 79 ; 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 !8 80 ; INSTRREF-NEXT: [[MOVUPSrm1:%[0-9]+]]:vr128 = MOVUPSrm %stack.1.i, 1, $noreg, 40, $noreg :: (load (s128) from %ir.i6, align 8) 81 ; INSTRREF-NEXT: MOVUPSmr $noreg, 1, $noreg, 0, $noreg, killed [[MOVUPSrm1]] :: (store (s128) into `ptr null`, align 8) 82 ; INSTRREF-NEXT: {{ $}} 83 ; INSTRREF-NEXT: bb.3.bb_last: 84 ; INSTRREF-NEXT: successors: %bb.1(0x80000000) 85 ; INSTRREF-NEXT: {{ $}} 86 ; INSTRREF-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 87 ; INSTRREF-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:gr64 = SUBREG_TO_REG 0, [[MOV32r0_]], %subreg.sub_32bit 88 ; INSTRREF-NEXT: $rdi = COPY [[SUBREG_TO_REG]] 89 ; INSTRREF-NEXT: $rsi = COPY [[SUBREG_TO_REG]] 90 ; INSTRREF-NEXT: $rdx = COPY [[SUBREG_TO_REG]] 91 ; INSTRREF-NEXT: $ecx = COPY [[MOV32r0_]] 92 ; INSTRREF-NEXT: $r8 = COPY [[LEA64r]] 93 ; 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 $ssp 94 ; INSTRREF-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 95 ; INSTRREF-NEXT: JMP_1 %bb.1 96bb_entry: 97 %tmp11 = alloca [0 x [0 x i32]], i32 0, align 4 98 %i = alloca %t10, align 8 99 %i1 = alloca %t10, align 8 100 br label %bb_8 101 102bb_8: ; preds = %bb_last, %bb_entry 103 br i1 poison, label %bb_last, label %bb_mid 104 105bb_mid: ; preds = %bb_8 106 %i4 = getelementptr inbounds %t10, ptr %i1, i64 0, i32 1, i64 32 107 %i6 = getelementptr inbounds %t10, ptr %i, i64 0, i32 1, i64 32 108 call void @llvm.lifetime.start.p0(i64 0, ptr nonnull %i1) 109 %v21 = call i64 @llvm.ctlz.i64(i64 undef, i1 false) 110 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) 111 call void @llvm.dbg.value(metadata !DIArgList(ptr %i4, ptr %i4), metadata !4, metadata !DIExpression(DW_OP_LLVM_arg, 0)), !dbg !9 112 call void @llvm.lifetime.end.p0(i64 0, ptr nonnull %i1) 113 call void @llvm.lifetime.start.p0(i64 0, ptr nonnull %i) 114 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) 115 call void @llvm.lifetime.end.p0(i64 0, ptr nonnull %i) 116 br label %bb_last 117 118bb_last: ; preds = %bb_mid, %bb_8 119 call void @llvm.lifetime.start.p0(i64 0, ptr nonnull %tmp11) 120 call void undef(ptr null, ptr null, ptr null, i32 0, ptr nonnull %tmp11) 121 call void @llvm.lifetime.end.p0(i64 0, ptr nonnull %tmp11) 122 br label %bb_8 123} 124 125declare i64 @llvm.ctlz.i64(i64, i1 immarg) 126declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) 127declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) 128declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) 129declare void @llvm.dbg.value(metadata, metadata, metadata) 130 131!llvm.dbg.cu = !{!0} 132!llvm.module.flags = !{!2} 133 134!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug) 135!1 = !DIFile(filename: "n", directory: "/proc/self/cwd", checksumkind: CSK_MD5, checksum: "e588179fedd8fcdfada963f2434cb950") 136!2 = !{i32 2, !"Debug Info Version", i32 3} 137!3 = !{!"function_entry_count", i64 2423} 138!4 = !DILocalVariable(name: "r", scope: !5, file: !6, line: 93) 139!5 = distinct !DISubprogram(name: "c", scope: !7, file: !6, line: 92, spFlags: DISPFlagDefinition, unit: !0) 140!6 = !DIFile(filename: "a", directory: "/proc/self/cwd") 141!7 = !DINamespace(name: "u", scope: !8) 142!8 = !DINamespace(name: "s", scope: null) 143!9 = !DILocation(line: 0, scope: !5) 144