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Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast).

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This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.
It also strips old llvm.dbg.declare intrinsics that did not pass metadata as the first argument.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93531 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez
2010-01-15 19:04:09 +00:00
parent 3752d2fe34
commit 3a32865d58
11 changed files with 63 additions and 57 deletions
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6
test/DebugInfo/printdbginfo2.ll
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@@ -19,11 +19,11 @@ entry:
call void @llvm.dbg.stoppoint(i32 6, i32 3, metadata !1)
call void @llvm.dbg.stoppoint(i32 7, i32 3, metadata !1)
%0 = bitcast %struct.foo* %b to { }* ; <{ }*> [#uses=1]
call void @llvm.dbg.declare({ }* %0, metadata !4)
call void @llvm.dbg.declare(metadata !{%struct.foo* %b}, metadata !4)
; CHECK:; %0 is variable b of type foo declared at x.c:7
call void @llvm.dbg.stoppoint(i32 8, i32 3, metadata !1)
%1 = bitcast [4 x i32]* %a to { }* ; <{ }*> [#uses=1]
call void @llvm.dbg.declare({ }* %1, metadata !8)
call void @llvm.dbg.declare(metadata !{[4 x i32]* %a}, metadata !8)
; CHECK:; %1 is variable a of type declared at x.c:8
call void @llvm.dbg.stoppoint(i32 9, i32 3, metadata !1)
%tmp = getelementptr inbounds %struct.foo* %b, i32 0, i32 0 ; <i32*> [#uses=1]
@@ -46,7 +46,7 @@ declare void @llvm.dbg.func.start(metadata) nounwind readnone
declare void @llvm.dbg.stoppoint(i32, i32, metadata) nounwind readnone
declare void @llvm.dbg.declare({ }*, metadata) nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
declare void @llvm.dbg.region.end(metadata) nounwind readnone