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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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29
test/Assembler/functionlocal-metadata.ll
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@@ -5,23 +5,28 @@ entry:
%0 = add i32 %a, 1 ; <i32> [#uses=1]
%two = add i32 %b, %0 ; <i32> [#uses=0]
%1 = alloca i32 ; <i32*> [#uses=1]
%three = bitcast i32* %1 to { }* ; <{ }*> [#uses=6]
call void @llvm.dbg.declare({ }* %three, metadata !{i32* %1})
; CHECK: metadata !{i32* %1}
call void @llvm.dbg.declare({ }* %three, metadata !{{ }* %three})
call void @llvm.dbg.declare({ }* %three, metadata !{i32 %0})
call void @llvm.dbg.declare({ }* %three, metadata !{{ }* %three, i32 %0})
call void @llvm.dbg.declare({ }* %three, metadata !{i32 %b, i32 %0})
call void @llvm.dbg.declare({ }* %three, metadata !{i32 %a, metadata !"foo"})
; CHECK: metadata !{i32 %a, metadata !"foo"}
call void @llvm.dbg.declare({ }* %three, metadata !{metadata !0, i32 %two})
call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !{i32* %1})
; CHECK: metadata !{i32* %1}, metadata !{i32* %1}
call void @llvm.dbg.declare(metadata !{i32 %two}, metadata !{i32 %0})
; CHECK: metadata !{i32 %two}, metadata !{i32 %0}
call void @llvm.dbg.declare(metadata !{i32 %0}, metadata !{i32* %1, i32 %0})
; CHECK: metadata !{i32 %0}, metadata !{i32* %1, i32 %0}
call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !{i32 %b, i32 %0})
; CHECK: metadata !{i32* %1}, metadata !{i32 %b, i32 %0}
call void @llvm.dbg.declare(metadata !{i32 %a}, metadata !{i32 %a, metadata !"foo"})
; CHECK: metadata !{i32 %a}, metadata !{i32 %a, metadata !"foo"}
call void @llvm.dbg.declare(metadata !{i32 %b}, metadata !{metadata !0, i32 %two})
; CHECK: metadata !{i32 %b}, metadata !{metadata !0, i32 %two}
call void @llvm.dbg.value(metadata !{ i32 %a }, i64 0, metadata !1)
; CHECK: metadata !{i32 %a}, i64 0, metadata !1
call void @llvm.dbg.value(metadata !{ i32 %0 }, i64 25, metadata !0)
; CHECK: metadata !{i32 %0}, i64 25, metadata !0
call void @llvm.dbg.value(metadata !{ i32* %1 }, i64 16, metadata !"foo")
; CHECK: call void @llvm.dbg.value(metadata !{i32* %1}, i64 16, metadata !"foo")
call void @llvm.dbg.value(metadata !{ { }* %three }, i64 12, metadata !"bar")
call void @llvm.dbg.value(metadata !"foo", i64 12, metadata !"bar")
; CHECK: metadata !"foo", i64 12, metadata !"bar"
ret void, !foo !0, !bar !1
; CHECK: ret void, !foo !0, !bar !1
@@ -30,7 +35,7 @@ entry:
!0 = metadata !{i32 662302, i32 26, metadata !1, null}
!1 = metadata !{i32 4, metadata !"foo"}
declare void @llvm.dbg.declare({ }*, metadata) nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
!foo = !{ !0 }