1 files changed, 54 insertions, 0 deletions
diff --git a/llvm/test/Instrumentation/AddressSanitizer/local_stack_base.ll b/llvm/test/Instrumentation/AddressSanitizer/local_stack_base.ll
new file mode 100644
index 00000000000..f440410599e
--- /dev/null
+++ b/llvm/test/Instrumentation/AddressSanitizer/local_stack_base.ll
@@ -0,0 +1,54 @@
+; RUN: opt -S -asan -asan-skip-promotable-allocas=0 %s -o - | FileCheck %s
+; Generated from:
+; int bar(int y) {
+;   return y + 2;
+; }
+
+source_filename = "/tmp/t.c"
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.13.0"
+
+; Function Attrs: noinline nounwind optnone sanitize_address ssp uwtable
+define i32 @foo(i32 %i) #0 !dbg !8 {
+entry:
+  %i.addr = alloca i32, align 4
+  store i32 %i, i32* %i.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !12, metadata !DIExpression()), !dbg !13
+
+  ; CHECK: %asan_local_stack_base = alloca i64
+  ; CHECK: %[[ALLOCA:.*]] = ptrtoint i8* %MyAlloca to i64
+  ; CHECK: %[[PHI:.*]] = phi i64 {{.*}} %[[ALLOCA]],
+  ; CHECK: store i64 %[[PHI]], i64* %asan_local_stack_base, !dbg
+  ; CHECK: call void @llvm.dbg.declare(metadata i64* %asan_local_stack_base, metadata !13, metadata !DIExpression(DW_OP_deref, DW_OP_plus_uconst, 32)), !dbg !14
+  %0 = load i32, i32* %i.addr, align 4, !dbg !14
+  %add = add nsw i32 %0, 2, !dbg !15
+  ret i32 %add, !dbg !16
+}
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+attributes #0 = { noinline nounwind optnone sanitize_address ssp uwtable }
+attributes #1 = { nounwind readnone speculatable }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4, !5, !6}
+!llvm.ident = !{!7}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 (trunk 320115) (llvm/trunk 320116)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
+!1 = !DIFile(filename: "/tmp/t.c", directory: "/Data/llvm")
+!2 = !{}
+!3 = !{i32 2, !"Dwarf Version", i32 4}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{i32 1, !"wchar_size", i32 4}
+!6 = !{i32 7, !"PIC Level", i32 2}
+!7 = !{!"clang version 6.0.0 (trunk 320115) (llvm/trunk 320116)"}
+!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
+!9 = !DISubroutineType(types: !10)
+!10 = !{!11, !11}
+!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!12 = !DILocalVariable(name: "i", arg: 1, scope: !8, file: !1, line: 1, type: !11)
+!13 = !DILocation(line: 1, column: 13, scope: !8)
+!14 = !DILocation(line: 2, column: 10, scope: !8)
+!15 = !DILocation(line: 2, column: 12, scope: !8)
+!16 = !DILocation(line: 2, column: 3, scope: !8)