dblaikie added a comment.
In D101805#2739814 <https://reviews.llvm.org/D101805#2739814>, @tlively wrote:
> Thanks, @hans! That's very surprising; I'll take a deeper look at what was
> going wrong.
Labels (& instructions/values) are only named in ASSERTS enabled builds (or you
can opt into them more narrowly with some other build config)
eg:
With asserts:
; Function Attrs: nounwind uwtable
define dso_local void @func(i32 %b, i32 %i, i32 %j) local_unnamed_addr #0 {
entry:
%tobool.not = icmp eq i32 %b, 0
br i1 %tobool.not, label %if.end, label %if.then
if.then: ; preds = %entry
tail call void (...) @f1() #2
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
Without asserts:
; Function Attrs: nounwind uwtable
define dso_local void @func(i32 %0, i32 %1, i32 %2) local_unnamed_addr #0 {
%4 = icmp eq i32 %0, 0
br i1 %4, label %6, label %5
5: ; preds = %3
tail call void (...) @f1() #2
br label %6
6: ; preds = %5, %3
ret void
}
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D101805/new/
https://reviews.llvm.org/D101805
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