DwarfWrite is now smart enough to drop debug value pointing to undefined register...

iSel not properly lowring argument into a well formed DBG_VALUE in some cases is a separate issue and not related to the test in this testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105295 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/DebugInfo/2010-05-28-Crash.ll b/test/DebugInfo/2010-05-28-Crash.ll
index fc2b1289e8ed42e86d139f0c3e705b06f4e58054..e09ffe49267d962ac6d678b8dc0f8f6f47a86f45 100644 (file)
--- a/test/DebugInfo/2010-05-28-Crash.ll
+++ b/test/DebugInfo/2010-05-28-Crash.ll
@@ -1,49 +1,44 @@
-; RUN: llc < %s | FileCheck %s
+; RUN: llc  -mtriple=x86_64-apple-darwin < %s | FileCheck %s
 ; Test to check separate label for inlined function argument.
-define void @bar(double %x) nounwind {
+
+define i32 @foo(i32 %y) nounwind optsize ssp {
 entry:
-  %__x_addr.i = alloca double                     ; <double*> [#uses=2]
-  %retval.i = alloca i32                          ; <i32*> [#uses=2]
-  %0 = alloca i32                                 ; <i32*> [#uses=2]
-  %x_addr = alloca double                         ; <double*> [#uses=2]
-  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
-  call void @llvm.dbg.declare(metadata !{double* %x_addr}, metadata !0), !dbg !7
-  store double %x, double* %x_addr
-  %1 = load double* %x_addr, align 8, !dbg !8     ; <double> [#uses=1]
-  call void @llvm.dbg.declare(metadata !{double* %__x_addr.i}, metadata !10), !dbg !15
-  store double %1, double* %__x_addr.i
-  %2 = load double* %__x_addr.i, align 8, !dbg !15 ; <double> [#uses=1]
-  %3 = fptosi double %2 to i32, !dbg !15          ; <i32> [#uses=1]
-  store i32 %3, i32* %0, align 4, !dbg !15
-  %4 = load i32* %0, align 4, !dbg !15            ; <i32> [#uses=1]
-  store i32 %4, i32* %retval.i, align 4, !dbg !15
-  %retval1.i = load i32* %retval.i, !dbg !15      ; <i32> [#uses=0]
-  br label %return, !dbg !16
+  tail call void @llvm.dbg.value(metadata !{i32 %y}, i64 0, metadata !0)
+  %0 = tail call i32 (...)* @zoo(i32 %y) nounwind, !dbg !9 ; <i32> [#uses=1]
+  ret i32 %0, !dbg !9
+}
+
+declare i32 @zoo(...)
 
-return:                                           ; preds = %entry
-  ret void, !dbg !16
+declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
+
+define i32 @bar(i32 %x) nounwind optsize ssp {
+entry:
+  tail call void @llvm.dbg.value(metadata !{i32 %x}, i64 0, metadata !7)
+  tail call void @llvm.dbg.value(metadata !11, i64 0, metadata !0) nounwind
+  %0 = tail call i32 (...)* @zoo(i32 1) nounwind, !dbg !12 ; <i32> [#uses=1]
+  %1 = add nsw i32 %0, %x, !dbg !13               ; <i32> [#uses=1]
+  ret i32 %1, !dbg !13
 }
 
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+!llvm.dbg.lv = !{!0, !7}
 
-!0 = metadata !{i32 524545, metadata !1, metadata !"x", metadata !2, i32 7, metadata !6} ; [ DW_TAG_arg_variable ]
-!1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"bar", metadata !"bar", metadata !"bar", metadata !2, i32 7, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 false} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 524329, metadata !"2010-01-18-Inlined-Debug.c", metadata !"/Users/buildslave/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/FrontendC", metadata !3} ; [ DW_TAG_file_type ]
-!3 = metadata !{i32 524305, i32 0, i32 1, metadata !"2010-01-18-Inlined-Debug.c", metadata !"/Users/buildslave/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/FrontendC", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 524545, metadata !1, metadata !"y", metadata !2, i32 2, metadata !6} ; [ DW_TAG_arg_variable ]
+!1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 2, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true} ; [ DW_TAG_subprogram ]
+!2 = metadata !{i32 524329, metadata !"f.c", metadata !"/tmp", metadata !3} ; [ DW_TAG_file_type ]
+!3 = metadata !{i32 524305, i32 0, i32 1, metadata !"f.c", metadata !"/tmp", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
-!5 = metadata !{null, metadata !6}
-!6 = metadata !{i32 524324, metadata !2, metadata !"double", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ]
-!7 = metadata !{i32 7, i32 0, metadata !1, null}
-!8 = metadata !{i32 8, i32 0, metadata !9, null}
-!9 = metadata !{i32 524299, metadata !1, i32 7, i32 0} ; [ DW_TAG_lexical_block ]
-!10 = metadata !{i32 524545, metadata !11, metadata !"__x", metadata !2, i32 5, metadata !6} ; [ DW_TAG_arg_variable ]
-!11 = metadata !{i32 524334, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 5, metadata !12, i1 true, i1 true, i32 0, i32 0, null, i1 false, i1 false} ; [ DW_TAG_subprogram ]
-!12 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, null} ; [ DW_TAG_subroutine_type ]
-!13 = metadata !{metadata !14, metadata !6}
-!14 = metadata !{i32 524324, metadata !2, metadata !"int", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
-!15 = metadata !{i32 5, i32 0, metadata !11, metadata !8}
-!16 = metadata !{i32 9, i32 0, metadata !9, null}
+!5 = metadata !{metadata !6, metadata !6}
+!6 = metadata !{i32 524324, metadata !2, metadata !"int", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!7 = metadata !{i32 524545, metadata !8, metadata !"x", metadata !2, i32 6, metadata !6} ; [ DW_TAG_arg_variable ]
+!8 = metadata !{i32 524334, i32 0, metadata !2, metadata !"bar", metadata !"bar", metadata !"bar", metadata !2, i32 6, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true} ; [ DW_TAG_subprogram ]
+!9 = metadata !{i32 3, i32 0, metadata !10, null}
+!10 = metadata !{i32 524299, metadata !1, i32 2, i32 0} ; [ DW_TAG_lexical_block ]
+!11 = metadata !{i32 1}
+!12 = metadata !{i32 3, i32 0, metadata !10, metadata !13}
+!13 = metadata !{i32 7, i32 0, metadata !14, null}
+!14 = metadata !{i32 524299, metadata !8, i32 6, i32 0} ; [ DW_TAG_lexical_block ]
 
-;CHECK:                DEBUG_VALUE: bar:x 
+;CHECK:                DEBUG_VALUE: bar:x <- EBX+0
 ;CHECK-NEXT:Ltmp
-;CHECK-NEXT    DEBUG_VALUE: foo:__x 
+;CHECK-NEXT    DEBUG_VALUE: foo:y <- 1+0