Made test dbg_value_fastisel.ll specific to AArch64 fast-isel.

Some buildbots failed on this test (rL325438) because they don't
build all targets. I set the triple to aarch64 and moved the test
to test/CodeGen/AArch64/fast-isel-dbg-value.ll.

llvm-svn: 325440

1 files changed, 49 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/AArch64/fast-isel-dbg-value.ll b/llvm/test/CodeGen/AArch64/fast-isel-dbg-value.ll
new file mode 100644
index 00000000000..ad143f5b279
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/fast-isel-dbg-value.ll
@@ -0,0 +1,49 @@
+; RUN: llc -O0 -mtriple=aarch64-- -stop-after=livedebugvalues -fast-isel=true < %s | FileCheck %s
+
+; CHECK: ![[LOCAL:[0-9]+]] = !DILocalVariable(name: "__vla_expr",
+; CHECK: DBG_VALUE {{.*}} ![[LOCAL]]
+
+; Function Attrs: noinline nounwind optnone uwtable
+define void @foo(i32 %n) local_unnamed_addr #0 !dbg !7 {
+entry:
+  %0 = zext i32 %n to i64, !dbg !11
+  %1 = call i8* @llvm.stacksave(), !dbg !12
+  call void @llvm.dbg.value(metadata i64 %0, metadata !13, metadata !DIExpression()), !dbg !12
+  %vla.i = alloca i32, i64 %0, align 16, !dbg !12
+  call void @llvm.stackrestore(i8* %1), !dbg !12
+  ret void, !dbg !12
+}
+
+; Function Attrs: nounwind
+declare i8* @llvm.stacksave() #1
+
+; Function Attrs: nounwind
+declare void @llvm.stackrestore(i8*) #1
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.value(metadata, metadata, metadata) #2
+
+attributes #0 = { noinline nounwind optnone uwtable }
+attributes #1 = { nounwind }
+attributes #2 = { nounwind readnone speculatable }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4, !5}
+!llvm.ident = !{!6}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 7.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
+!1 = !DIFile(filename: "foo.c", directory: "/path/to/build")
+!2 = !{}
+!3 = !{i32 2, !"Dwarf Version", i32 4}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{i32 1, !"wchar_size", i32 4}
+!6 = !{!"clang version 7.0.0"}
+!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 39, isOptimized: false, unit: !0, variables: !2)
+!8 = !DISubroutineType(types: !9)
+!9 = !{!10}
+!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!11 = !DILocation(line: 2, column: 5, scope: !7)
+!12 = !DILocation(line: 4, column: 5, scope: !7)
+!13 = !DILocalVariable(name: "__vla_expr", scope: !14, type: !15, flags: DIFlagArtificial)
+!14 = distinct !DILexicalBlock(scope: !7, file: !1, line: 32, column: 31)
+!15 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned)