1 files changed, 74 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/debug-prologue.ll b/llvm/test/CodeGen/Hexagon/debug-prologue.ll
new file mode 100644
index 00000000000..d19edc08741
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/debug-prologue.ll
@@ -0,0 +1,74 @@
+; RUN: llc -march=hexagon < %s | FileCheck %s
+; Verify store/load for -g prologue
+
+; CHECK: allocframe
+; CHECK: memw([[MEM:.*]]) = r{{[0-9]+}}
+; CHECK: r{{[0-9]+}} = memw([[MEM]])
+
+; Function Attrs: nounwind
+define i32 @f0(i32 %a0) #0 !dbg !5 {
+b0:
+  %v0 = alloca i32, align 4
+  %v1 = alloca i32, align 4
+  %v2 = alloca i32, align 4
+  store i32 %a0, i32* %v1, align 4
+  call void @llvm.dbg.declare(metadata i32* %v1, metadata !9, metadata !DIExpression()), !dbg !10
+  call void @llvm.dbg.declare(metadata i32* %v2, metadata !11, metadata !DIExpression()), !dbg !12
+  %v3 = load i32, i32* %v1, align 4, !dbg !13
+  %v4 = icmp sgt i32 %v3, 1, !dbg !15
+  br i1 %v4, label %b1, label %b2, !dbg !16
+
+b1:                                               ; preds = %b0
+  %v5 = load i32, i32* %v1, align 4, !dbg !17
+  %v6 = load i32, i32* %v1, align 4, !dbg !18
+  %v7 = sub nsw i32 %v6, 1, !dbg !19
+  %v8 = call i32 @f0(i32 %v7), !dbg !20
+  %v9 = mul nsw i32 %v5, %v8, !dbg !21
+  store i32 %v9, i32* %v0, align 4, !dbg !22
+  br label %b3, !dbg !22
+
+b2:                                               ; preds = %b0
+  %v10 = load i32, i32* %v1, align 4, !dbg !23
+  store i32 %v10, i32* %v0, align 4, !dbg !24
+  br label %b3, !dbg !24
+
+b3:                                               ; preds = %b2, %b1
+  %v11 = load i32, i32* %v0, align 4, !dbg !25
+  ret i32 %v11, !dbg !25
+}
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+attributes #0 = { nounwind "target-cpu"="hexagonv55" }
+attributes #1 = { nounwind readnone speculatable }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "Clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
+!1 = !DIFile(filename: "/tmp/test.c", directory: "/tmp")
+!2 = !{}
+!3 = !{i32 2, !"Dwarf Version", i32 4}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = distinct !DISubprogram(name: "factorial", 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: !7)
+!7 = !{!8, !8}
+!8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !DILocalVariable(name: "value", arg: 1, scope: !5, file: !1, line: 1, type: !8)
+!10 = !DILocation(line: 1, column: 20, scope: !5)
+!11 = !DILocalVariable(name: "local_var", scope: !5, file: !1, line: 2, type: !8)
+!12 = !DILocation(line: 2, column: 7, scope: !5)
+!13 = !DILocation(line: 3, column: 7, scope: !14)
+!14 = distinct !DILexicalBlock(scope: !5, file: !1, line: 3, column: 7)
+!15 = !DILocation(line: 3, column: 13, scope: !14)
+!16 = !DILocation(line: 3, column: 7, scope: !5)
+!17 = !DILocation(line: 4, column: 12, scope: !14)
+!18 = !DILocation(line: 4, column: 28, scope: !14)
+!19 = !DILocation(line: 4, column: 33, scope: !14)
+!20 = !DILocation(line: 4, column: 18, scope: !14)
+!21 = !DILocation(line: 4, column: 17, scope: !14)
+!22 = !DILocation(line: 4, column: 5, scope: !14)
+!23 = !DILocation(line: 5, column: 15, scope: !14)
+!24 = !DILocation(line: 5, column: 8, scope: !14)
+!25 = !DILocation(line: 6, column: 1, scope: !5)