Index: test/DebugInfo/Generic/static-const-fp.ll
===================================================================
--- /dev/null
+++ test/DebugInfo/Generic/static-const-fp.ll
@@ -0,0 +1,97 @@
+; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
+
+; Per PR26619, check that for referenced static const of
+; floating-point type, we emit its constant value in debug info.
+; NOTE that PR26619 is not yet fixed for long double.
+
+; Generated with clang -O0 -S -g static-const-fp.c
+
+; static const __fp16 hVal = 29/13.0f;            //    2.2307692307692307692     (2.23046875)
+;
+; static const float fVal = -147/17.0f;           //   -8.6470588235294117647     (-8.64705849)
+;
+; static const double dVal = 19637/7.0;           // 2805.2857142857142857        (2805.2857142857142)
+;
+; static const long double ldVal = 3/1234567.0L;  //    2.4300017739012949479e-06 (<optimized out>)
+;
+; int main() {
+;   return hVal + fVal + dVal + ldVal;
+; }
+
+; Function Attrs: nounwind uwtable
+define i32 @main() !dbg !22 {
+entry:
+  %retval = alloca i32, align 4
+  store i32 0, i32* %retval, align 4
+  %0 = call float @llvm.convert.from.fp16.f32(i16 16502), !dbg !26
+  %add = fadd float %0, 0xC0214B4B40000000, !dbg !27
+  %conv = fpext float %add to double, !dbg !26
+  %add1 = fadd double %conv, 0x40A5EA9249249249, !dbg !28
+  %conv2 = fpext double %add1 to x86_fp80, !dbg !26
+  %add3 = fadd x86_fp80 %conv2, 0xK3FECA3131CD2DCE5A434, !dbg !29
+  %conv4 = fptosi x86_fp80 %add3 to i32, !dbg !26
+  ret i32 %conv4, !dbg !30
+}
+
+; Function Attrs: nounwind readnone
+declare float @llvm.convert.from.fp16.f32(i16)
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!19, !20}
+!llvm.ident = !{!21}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 (trunk 288414) (llvm/trunk 288418)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
+!1 = !DIFile(filename: "static-const-fp.c", directory: "/tmp")
+!2 = !{}
+!3 = !{!4, !8, !12, !16}
+!4 = distinct !DIGlobalVariable(name: "hVal", scope: !0, file: !1, line: 6, type: !5, isLocal: true, isDefinition: true, expr: !7)
+!5 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !6)
+!6 = !DIBasicType(name: "__fp16", size: 16, encoding: DW_ATE_float)
+!7 = !DIExpression(DW_OP_constu, 16502, DW_OP_stack_value)
+!8 = distinct !DIGlobalVariable(name: "fVal", scope: !0, file: !1, line: 8, type: !9, isLocal: true, isDefinition: true, expr: !11)
+!9 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !10)
+!10 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
+!11 = !DIExpression(DW_OP_constu, 3238681178, DW_OP_stack_value)
+!12 = distinct !DIGlobalVariable(name: "dVal", scope: !0, file: !1, line: 10, type: !13, isLocal: true, isDefinition: true, expr: !15)
+!13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !14)
+!14 = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)
+!15 = !DIExpression(DW_OP_constu, 4658387303597904457, DW_OP_stack_value)
+!16 = distinct !DIGlobalVariable(name: "ldVal", scope: !0, file: !1, line: 12, type: !17, isLocal: true, isDefinition: true)
+!17 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !18)
+!18 = !DIBasicType(name: "long double", size: 128, encoding: DW_ATE_float)
+!19 = !{i32 2, !"Dwarf Version", i32 4}
+!20 = !{i32 2, !"Debug Info Version", i32 3}
+!21 = !{!"clang version 4.0.0 (trunk 288414) (llvm/trunk 288418)"}
+!22 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 14, type: !23, isLocal: false, isDefinition: true, scopeLine: 14, isOptimized: false, unit: !0, variables: !2)
+!23 = !DISubroutineType(types: !24)
+!24 = !{!25}
+!25 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!26 = !DILocation(line: 15, column: 10, scope: !22)
+!27 = !DILocation(line: 15, column: 15, scope: !22)
+!28 = !DILocation(line: 15, column: 22, scope: !22)
+!29 = !DILocation(line: 15, column: 29, scope: !22)
+!30 = !DILocation(line: 15, column: 3, scope: !22)
+
+; CHECK: DW_TAG_variable
+; CHECK-NOT: {{DW_TAG|NULL}}
+; CHECK: DW_AT_name {{.*}} "hVal"
+; CHECK-NOT: {{DW_TAG|NULL}}
+; CHECK: DW_AT_const_value {{.*}} (16502)
+
+; CHECK: DW_TAG_variable
+; CHECK-NOT: {{DW_TAG|NULL}}
+; CHECK: DW_AT_name {{.*}} "fVal"
+; CHECK-NOT: {{DW_TAG|NULL}}
+; CHECK: DW_AT_const_value {{.*}} (3238681178)
+
+; CHECK: DW_TAG_variable
+; CHECK-NOT: {{DW_TAG|NULL}}
+; CHECK: DW_AT_name {{.*}} "dVal"
+; CHECK-NOT: {{DW_TAG|NULL}}
+; CHECK: DW_AT_const_value {{.*}} (4658387303597904457)
+
+; CHECK: DW_TAG_variable
+; CHECK-NOT: {{DW_TAG|NULL}}
+; CHECK: DW_AT_name {{.*}} "ldVal"
+; CHECK-NOT: {{DW_TAG|NULL}}
+; CHECK: DW_AT_location {{.*}} ()