Do not emit location expression size twice.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130854 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 59 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/debug-info-sreg2.ll b/test/CodeGen/ARM/debug-info-sreg2.ll
new file mode 100644
index 0000000..86abc6e
--- /dev/null
+++ b/test/CodeGen/ARM/debug-info-sreg2.ll
@@ -0,0 +1,59 @@
+; RUN: llc < %s - | FileCheck %s
+; Radar 9376013
+target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
+target triple = "thumbv7-apple-macosx10.6.7"
+
+;CHECK: Ldebug_loc0:
+;CHECK-NEXT:        .long   Ltmp0
+;CHECK-NEXT:        .long   Ltmp2
+;CHECK-NEXT:        .short  6                       @ Loc expr size
+;CHECK-NEXT:        .byte   144                     @ DW_OP_regx for S register
+
+define void @_Z3foov() optsize ssp {
+entry:
+  %call = tail call float @_Z3barv() optsize, !dbg !11
+  tail call void @llvm.dbg.value(metadata !{float %call}, i64 0, metadata !5), !dbg !11
+  %call16 = tail call float @_Z2f2v() optsize, !dbg !12
+  %cmp7 = fcmp olt float %call, %call16, !dbg !12
+  br i1 %cmp7, label %for.body, label %for.end, !dbg !12
+
+for.body:                                         ; preds = %entry, %for.body
+  %k.08 = phi float [ %inc, %for.body ], [ %call, %entry ]
+  %call4 = tail call float @_Z2f3f(float %k.08) optsize, !dbg !13
+  %inc = fadd float %k.08, 1.000000e+00, !dbg !14
+  %call1 = tail call float @_Z2f2v() optsize, !dbg !12
+  %cmp = fcmp olt float %inc, %call1, !dbg !12
+  br i1 %cmp, label %for.body, label %for.end, !dbg !12
+
+for.end:                                          ; preds = %for.body, %entry
+  ret void, !dbg !15
+}
+
+declare float @_Z3barv() optsize
+
+declare float @_Z2f2v() optsize
+
+declare float @_Z2f3f(float) optsize
+
+declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
+
+!llvm.dbg.cu = !{!0}
+!llvm.dbg.sp = !{!1}
+!llvm.dbg.lv._Z3foov = !{!5, !8}
+
+!0 = metadata !{i32 589841, i32 0, i32 4, metadata !"k.cc", metadata !"/private/tmp", metadata !"clang version 3.0 (trunk 130845)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{i32 589870, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"_Z3foov", metadata !2, i32 5, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, void ()* @_Z3foov, null, null} ; [ DW_TAG_subprogram ]
+!2 = metadata !{i32 589865, metadata !"k.cc", metadata !"/private/tmp", metadata !0} ; [ DW_TAG_file_type ]
+!3 = metadata !{i32 589845, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!4 = metadata !{null}
+!5 = metadata !{i32 590080, metadata !6, metadata !"k", metadata !2, i32 6, metadata !7, i32 0} ; [ DW_TAG_auto_variable ]
+!6 = metadata !{i32 589835, metadata !1, i32 5, i32 12, metadata !2, i32 0} ; [ DW_TAG_lexical_block ]
+!7 = metadata !{i32 589860, metadata !0, metadata !"float", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ]
+!8 = metadata !{i32 590080, metadata !9, metadata !"y", metadata !2, i32 8, metadata !7, i32 0} ; [ DW_TAG_auto_variable ]
+!9 = metadata !{i32 589835, metadata !10, i32 7, i32 25, metadata !2, i32 2} ; [ DW_TAG_lexical_block ]
+!10 = metadata !{i32 589835, metadata !6, i32 7, i32 3, metadata !2, i32 1} ; [ DW_TAG_lexical_block ]
+!11 = metadata !{i32 6, i32 18, metadata !6, null}
+!12 = metadata !{i32 7, i32 3, metadata !6, null}
+!13 = metadata !{i32 8, i32 20, metadata !9, null}
+!14 = metadata !{i32 7, i32 20, metadata !10, null}
+!15 = metadata !{i32 10, i32 1, metadata !6, null}