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-rw-r--r--test/CodeGen/AArch64/GlobalISel/select-dbg-value.mir69
1 files changed, 69 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/GlobalISel/select-dbg-value.mir b/test/CodeGen/AArch64/GlobalISel/select-dbg-value.mir
new file mode 100644
index 0000000000000..2f36ec8d2aaa9
--- /dev/null
+++ b/test/CodeGen/AArch64/GlobalISel/select-dbg-value.mir
@@ -0,0 +1,69 @@
+# RUN: llc -O0 -mtriple arm64-- -run-pass=instruction-select -global-isel %s -o - | FileCheck %s
+
+--- |
+ target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
+
+ define void @test_dbg_value(i32 %a) !dbg !5 {
+ %tmp0 = add i32 %a, %a
+ call void @llvm.dbg.value(metadata i32 %tmp0, i64 0, metadata !7, metadata !9), !dbg !10
+ ret void
+ }
+
+ define void @test_dbg_value_dead(i32 %a) !dbg !5 {
+ call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !7, metadata !9), !dbg !10
+ ret void
+ }
+
+ declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
+
+ !llvm.dbg.cu = !{!0}
+ !llvm.module.flags = !{!3, !4}
+
+ !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "llvm", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
+ !1 = !DIFile(filename: "test.ll", directory: "/tmp")
+ !2 = !{}
+ !3 = !{i32 2, !"Dwarf Version", i32 4}
+ !4 = !{i32 2, !"Debug Info Version", i32 3}
+ !5 = distinct !DISubprogram(name: "test_dbg_value", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
+ !6 = !DISubroutineType(types: !2)
+ !7 = !DILocalVariable(name: "in", arg: 1, scope: !5, file: !1, line: 1, type: !8)
+ !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+ !9 = !DIExpression()
+ !10 = !DILocation(line: 1, column: 1, scope: !5)
+...
+
+---
+# CHECK-LABEL: name: test_dbg_value
+name: test_dbg_value
+legalized: true
+regBankSelected: true
+body: |
+ bb.0:
+ liveins: %w0
+ %0:gpr(s32) = COPY %w0
+ %1:gpr(s32) = G_ADD %0, %0
+ %w0 = COPY %1(s32)
+
+ ; CHECK: %0 = COPY %w0
+ ; CHECK-NEXT: %1 = ADDWrr %0, %0
+ ; CHECK-NEXT: %w0 = COPY %1
+ ; CHECK-NEXT: DBG_VALUE debug-use %1, debug-use _, !7, !9, debug-location !10
+
+ DBG_VALUE debug-use %1(s32), debug-use _, !7, !9, debug-location !10
+...
+
+---
+# CHECK-LABEL: name: test_dbg_value_dead
+name: test_dbg_value_dead
+legalized: true
+regBankSelected: true
+body: |
+ bb.0:
+ liveins: %w0
+ %0:gpr(s32) = COPY %w0
+
+ ; CHECK-NOT: COPY
+ ; CHECK: DBG_VALUE debug-use _, debug-use _, !7, !9, debug-location !10
+
+ DBG_VALUE debug-use %0(s32), debug-use _, !7, !9, debug-location !10
+...