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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -mcpu=corei7 -no-stack-coloring=false -run-pass=stack-coloring -o - %s | FileCheck %s3# RUN: llc -mcpu=corei7 -no-stack-coloring=false -passes=stack-coloring -o - %s | FileCheck %s4 5# Difference between test_1 and test_2 is that there is a DBG_VALUE in test_1.6# If transformation is debug invariant the resulting LEA instruction should be7# the same (i.e. we should reuse the same stack slot).8 9--- |10 ; ModuleID = '<stdin>'11 source_filename = "StackColoring-dbg-invariance.ll"12 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"13 target triple = "x86_64-apple-macosx10.8.0"14 15 ; Function Attrs: argmemonly nofree nosync nounwind willreturn16 declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #017 18 ; Function Attrs: argmemonly nofree nosync nounwind willreturn19 declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #020 21 define i32 @test_1(i32 %in) #1 !dbg !5 {22 entry:23 %a1 = alloca [14 x ptr], align 824 %a4 = alloca [11 x ptr], align 825 call void @llvm.dbg.value(metadata ptr %a4, metadata !9, metadata !DIExpression()), !dbg !1126 ret i32 027 }28 29 define i32 @test_2(i32 %in) #1 !dbg !12 {30 entry:31 %a1 = alloca [14 x ptr], align 832 %a4 = alloca [11 x ptr], align 833 ret i32 034 }35 36 ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn37 declare void @llvm.dbg.value(metadata, metadata, metadata) #238 39 attributes #0 = { argmemonly nofree nosync nounwind willreturn "target-cpu"="corei7" }40 attributes #1 = { "target-cpu"="corei7" }41 42 !llvm.dbg.cu = !{!0}43 !llvm.debugify = !{!2, !3}44 !llvm.module.flags = !{!4}45 46 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)47 !1 = !DIFile(filename: "StackColoring-dbg-invariance.ll", directory: "/")48 !2 = !{i32 27}49 !3 = !{i32 18}50 !4 = !{i32 2, !"Debug Info Version", i32 3}51 !5 = distinct !DISubprogram(name: "test_1", linkageName: "test_1", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)52 !6 = !DISubroutineType(types: !7)53 !7 = !{}54 !8 = !{!9}55 !9 = !DILocalVariable(name: "4", scope: !5, file: !1, line: 4, type: !10)56 !10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)57 !11 = !DILocation(line: 4, column: 1, scope: !5)58 !12 = distinct !DISubprogram(name: "test_2", linkageName: "test_2", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !7)59 60...61---62name: test_163alignment: 1664tracksRegLiveness: true65stack:66 - { id: 0, name: a1, type: default, offset: 0, size: 112, alignment: 8,67 stack-id: default, callee-saved-register: '', callee-saved-restored: true,68 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }69 - { id: 3, name: a4, type: default, offset: 0, size: 88, alignment: 8,70 stack-id: default, callee-saved-register: '', callee-saved-restored: true,71 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }72body: |73 bb.0.entry:74 liveins: $edi75 76 ; CHECK-LABEL: name: test_177 ; CHECK: liveins: $edi78 ; CHECK: DBG_VALUE %stack.0.a1, $noreg, !9, !DIExpression(), debug-location !1179 ; CHECK: [[LEA64r:%[0-9]+]]:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg80 ; CHECK: [[LEA64r1:%[0-9]+]]:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg81 ; CHECK: RET 082 DBG_VALUE %stack.3.a4, $noreg, !9, !DIExpression(), debug-location !1183 LIFETIME_START %stack.3.a484 LIFETIME_START %stack.0.a185 %0:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg86 LIFETIME_END %stack.0.a187 %1:gr64 = LEA64r %stack.3.a4, 1, $noreg, 0, $noreg88 LIFETIME_END %stack.3.a489 RET 090...91---92name: test_293alignment: 1694tracksRegLiveness: true95stack:96 - { id: 0, name: a1, type: default, offset: 0, size: 112, alignment: 8,97 stack-id: default, callee-saved-register: '', callee-saved-restored: true,98 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }99 - { id: 3, name: a4, type: default, offset: 0, size: 88, alignment: 8,100 stack-id: default, callee-saved-register: '', callee-saved-restored: true,101 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }102body: |103 bb.0.entry:104 liveins: $edi105 106 ; CHECK-LABEL: name: test_2107 ; CHECK: liveins: $edi108 ; CHECK: [[LEA64r:%[0-9]+]]:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg109 ; CHECK: [[LEA64r1:%[0-9]+]]:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg110 ; CHECK: RET 0111 LIFETIME_START %stack.3.a4112 LIFETIME_START %stack.0.a1113 %0:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg114 LIFETIME_END %stack.0.a1115 %1:gr64 = LEA64r %stack.3.a4, 1, $noreg, 0, $noreg116 LIFETIME_END %stack.3.a4117 RET 0118...119