| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mcpu=corei7 -no-stack-coloring=false -run-pass=stack-coloring -o - %s | FileCheck %s |
| |
| # Difference between test_1 and test_2 is that there is a DBG_VALUE in test_1. |
| # If transformation is debug invariant the resulting LEA instruction should be |
| # the same (i.e. we should reuse the same stack slot). |
| |
| --- | |
| ; ModuleID = '<stdin>' |
| source_filename = "StackColoring-dbg-invariance.ll" |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.8.0" |
| |
| ; Function Attrs: argmemonly nofree nosync nounwind willreturn |
| declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #0 |
| |
| ; Function Attrs: argmemonly nofree nosync nounwind willreturn |
| declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #0 |
| |
| define i32 @test_1(i32 %in) #1 !dbg !5 { |
| entry: |
| %a1 = alloca [14 x i8*], align 8 |
| %a4 = alloca [11 x i8*], align 8 |
| call void @llvm.dbg.value(metadata [11 x i8*]* %a4, metadata !9, metadata !DIExpression()), !dbg !11 |
| ret i32 0 |
| } |
| |
| define i32 @test_2(i32 %in) #1 !dbg !12 { |
| entry: |
| %a1 = alloca [14 x i8*], align 8 |
| %a4 = alloca [11 x i8*], align 8 |
| ret i32 0 |
| } |
| |
| ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #2 |
| |
| attributes #0 = { argmemonly nofree nosync nounwind willreturn "target-cpu"="corei7" } |
| attributes #1 = { "target-cpu"="corei7" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.debugify = !{!2, !3} |
| !llvm.module.flags = !{!4} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) |
| !1 = !DIFile(filename: "StackColoring-dbg-invariance.ll", directory: "/") |
| !2 = !{i32 27} |
| !3 = !{i32 18} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !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) |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{} |
| !8 = !{!9} |
| !9 = !DILocalVariable(name: "4", scope: !5, file: !1, line: 4, type: !10) |
| !10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned) |
| !11 = !DILocation(line: 4, column: 1, scope: !5) |
| !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: !8) |
| |
| ... |
| --- |
| name: test_1 |
| alignment: 16 |
| tracksRegLiveness: true |
| stack: |
| - { id: 0, name: a1, type: default, offset: 0, size: 112, alignment: 8, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 3, name: a4, type: default, offset: 0, size: 88, alignment: 8, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| body: | |
| bb.0.entry: |
| liveins: $edi |
| |
| ; CHECK-LABEL: name: test_1 |
| ; CHECK: liveins: $edi |
| ; CHECK: DBG_VALUE %stack.0.a1, $noreg, !9, !DIExpression(), debug-location !11 |
| ; CHECK: [[LEA64r:%[0-9]+]]:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg |
| ; CHECK: [[LEA64r1:%[0-9]+]]:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg |
| ; CHECK: RET 0 |
| DBG_VALUE %stack.3.a4, $noreg, !9, !DIExpression(), debug-location !11 |
| LIFETIME_START %stack.3.a4 |
| LIFETIME_START %stack.0.a1 |
| %0:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg |
| LIFETIME_END %stack.0.a1 |
| %1:gr64 = LEA64r %stack.3.a4, 1, $noreg, 0, $noreg |
| LIFETIME_END %stack.3.a4 |
| RET 0 |
| ... |
| --- |
| name: test_2 |
| alignment: 16 |
| tracksRegLiveness: true |
| stack: |
| - { id: 0, name: a1, type: default, offset: 0, size: 112, alignment: 8, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 3, name: a4, type: default, offset: 0, size: 88, alignment: 8, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| body: | |
| bb.0.entry: |
| liveins: $edi |
| |
| ; CHECK-LABEL: name: test_2 |
| ; CHECK: liveins: $edi |
| ; CHECK: [[LEA64r:%[0-9]+]]:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg |
| ; CHECK: [[LEA64r1:%[0-9]+]]:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg |
| ; CHECK: RET 0 |
| LIFETIME_START %stack.3.a4 |
| LIFETIME_START %stack.0.a1 |
| %0:gr64 = LEA64r %stack.0.a1, 1, $noreg, 0, $noreg |
| LIFETIME_END %stack.0.a1 |
| %1:gr64 = LEA64r %stack.3.a4, 1, $noreg, 0, $noreg |
| LIFETIME_END %stack.3.a4 |
| RET 0 |
| ... |