Remove the obsolete offset parameter from @llvm.dbg.value

There is no situation where this rarely-used argument cannot be
substituted with a DIExpression and removing it allows us to simplify
the DWARF backend. Note that this patch does not yet remove any of
the newly dead code.

rdar://problem/33580047
Differential Revision: https://reviews.llvm.org/D35951

llvm-svn: 309426

2 files changed, 10 insertions, 10 deletions

diff --git a/llvm/test/Transforms/LoopVectorize/dbg.value.ll b/llvm/test/Transforms/LoopVectorize/dbg.value.ll
index 453f02b81e2..6ae0d8a5bf5 100644
--- a/llvm/test/Transforms/LoopVectorize/dbg.value.ll
+++ b/llvm/test/Transforms/LoopVectorize/dbg.value.ll
@@ -12,7 +12,7 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 ; Function Attrs: nounwind ssp uwtable
 define i32 @test() #0 !dbg !15 {
 entry:
-  tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !19, metadata !21), !dbg !22
+  tail call void @llvm.dbg.value(metadata i32 0, metadata !19, metadata !21), !dbg !22
   br label %for.body, !dbg !22
 
 for.body:                                         ; preds = %for.body, %entry
@@ -26,7 +26,7 @@ for.body:                                         ; preds = %for.body, %entry
   %arrayidx4 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv, !dbg !23
   store i32 %add, i32* %arrayidx4, align 4, !dbg !23
   %indvars.iv.next = add i64 %indvars.iv, 1, !dbg !22
-  tail call void @llvm.dbg.value(metadata !12, i64 0, metadata !19, metadata !21), !dbg !22
+  tail call void @llvm.dbg.value(metadata !12, metadata !19, metadata !21), !dbg !22
   %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !22
   %exitcond = icmp ne i32 %lftr.wideiv, 1024, !dbg !22
   br i1 %exitcond, label %for.body, label %for.end, !dbg !22
@@ -40,7 +40,7 @@ for.end:                                          ; preds = %for.body
 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
+declare void @llvm.dbg.value(metadata, metadata, metadata) #1
 
 attributes #0 = { nounwind ssp uwtable "fp-contract-model"="standard" "no-frame-pointer-elim" "no-frame-pointer-elim-non-leaf" "relocation-model"="pic" "ssp-buffers-size"="8" }
 attributes #1 = { nounwind readnone }
diff --git a/llvm/test/Transforms/LoopVectorize/debugloc.ll b/llvm/test/Transforms/LoopVectorize/debugloc.ll
index f2d68fb4e62..f400af2cb60 100644
--- a/llvm/test/Transforms/LoopVectorize/debugloc.ll
+++ b/llvm/test/Transforms/LoopVectorize/debugloc.ll
@@ -19,10 +19,10 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 
 define i32 @f(i32* nocapture %a, i32 %size) #0 !dbg !4 {
 entry:
-  tail call void @llvm.dbg.value(metadata i32* %a, i64 0, metadata !13, metadata !DIExpression()), !dbg !19
-  tail call void @llvm.dbg.value(metadata i32 %size, i64 0, metadata !14, metadata !DIExpression()), !dbg !19
-  tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !DIExpression()), !dbg !20
-  tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !DIExpression()), !dbg !21
+  tail call void @llvm.dbg.value(metadata i32* %a, metadata !13, metadata !DIExpression()), !dbg !19
+  tail call void @llvm.dbg.value(metadata i32 %size, metadata !14, metadata !DIExpression()), !dbg !19
+  tail call void @llvm.dbg.value(metadata i32 0, metadata !15, metadata !DIExpression()), !dbg !20
+  tail call void @llvm.dbg.value(metadata i32 0, metadata !16, metadata !DIExpression()), !dbg !21
   %cmp4 = icmp eq i32 %size, 0, !dbg !21
   br i1 %cmp4, label %for.end, label %for.body.lr.ph, !dbg !21
 
@@ -35,9 +35,9 @@ for.body:                                         ; preds = %for.body.lr.ph, %fo
   %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv, !dbg !22
   %0 = load i32, i32* %arrayidx, align 4, !dbg !22
   %add = add i32 %0, %sum.05, !dbg !22
-  tail call void @llvm.dbg.value(metadata i32 %add.lcssa, i64 0, metadata !15, metadata !DIExpression()), !dbg !22
+  tail call void @llvm.dbg.value(metadata i32 %add.lcssa, metadata !15, metadata !DIExpression()), !dbg !22
   %indvars.iv.next = add i64 %indvars.iv, 1, !dbg !22
-  tail call void @llvm.dbg.value(metadata !{null}, i64 0, metadata !16, metadata !DIExpression()), !dbg !22
+  tail call void @llvm.dbg.value(metadata !{null}, metadata !16, metadata !DIExpression()), !dbg !22
   %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !22
   %exitcond = icmp ne i32 %lftr.wideiv, %size, !dbg !22
   br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge, !dbg !21
@@ -55,7 +55,7 @@ for.end:                                          ; preds = %entry, %for.cond.fo
 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
+declare void @llvm.dbg.value(metadata, metadata, metadata) #1
 
 attributes #0 = { nounwind readonly ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" "use-soft-float"="false" }
 attributes #1 = { nounwind readnone }