TimNN added a comment.
I've included excerpts from the IR below. It will take me a bit to provide
something compilable. Though you are right, the `noundef` did indeed get
removed from the `call`.
*** IR Dump Before DeadArgumentEliminationPass on [module] ***
; Function Attrs: nonlazybind uwtable
define void
@_RNvXs2_NtNtCs840rfDNPFol_10proc_macro6bridge3rpcbINtB5_6EncodeuE6encodeB9_(i1
noundef zeroext %0, ptr noalias noundef align 8 dereferenceable(40) %1, ptr
noalias nocapture noundef nonnull readnone align 1 %2) unnamed_addr #0 !dbg
!18135 {
%4 = zext i1 %0 to i8, !dbg !18137
call void
@_RNvXs0_NtNtCs840rfDNPFol_10proc_macro6bridge3rpchINtB5_6EncodeuE6encodeB9_(i8
%4, ptr noalias noundef nonnull align 8 dereferenceable(40) %1, ptr noalias
noundef nonnull align 1 %2), !dbg !18137
ret void, !dbg !18138
}
*** IR Dump After DeadArgumentEliminationPass on [module] ***
; Function Attrs: nonlazybind uwtable
define void
@_RNvXs2_NtNtCs840rfDNPFol_10proc_macro6bridge3rpcbINtB5_6EncodeuE6encodeB9_(i1
noundef zeroext %0, ptr noalias noundef align 8 dereferenceable(40) %1, ptr
noalias nocapture noundef nonnull readnone align 1 %2) unnamed_addr #0 !dbg
!18136 {
%4 = zext i1 %0 to i8, !dbg !18138
call void
@_RNvXs0_NtNtCs840rfDNPFol_10proc_macro6bridge3rpchINtB5_6EncodeuE6encodeB9_(i8
%4, ptr noalias noundef nonnull align 8 dereferenceable(40) %1, ptr noalias
nonnull align 1 poison), !dbg !18138
ret void, !dbg !18139
}
*** IR Dump Before InstCombinePass on
_RNvXs2_NtNtCs840rfDNPFol_10proc_macro6bridge3rpcbINtB5_6EncodeuE6encodeB9_ ***
; Function Attrs: nonlazybind uwtable
define available_externally void
@_RNvXs2_NtNtCs840rfDNPFol_10proc_macro6bridge3rpcbINtB5_6EncodeuE6encodeB9_(i1
noundef zeroext %0, ptr noalias noundef align 8 dereferenceable(40) %1, ptr
noalias nocapture noundef nonnull readnone align 1 %2) unnamed_addr #2 !dbg
!20759 {
%4 = zext i1 %0 to i8, !dbg !20762
call void
@_RNvXs0_NtNtCs840rfDNPFol_10proc_macro6bridge3rpchINtB5_6EncodeuE6encodeB9_(i8
%4, ptr noalias noundef nonnull align 8 dereferenceable(40) %1, ptr noalias
nonnull align 1 poison), !dbg !20762
ret void, !dbg !20763
}
*** IR Dump After InstCombinePass on
_RNvXs2_NtNtCs840rfDNPFol_10proc_macro6bridge3rpcbINtB5_6EncodeuE6encodeB9_ ***
; Function Attrs: nonlazybind uwtable
define available_externally void
@_RNvXs2_NtNtCs840rfDNPFol_10proc_macro6bridge3rpcbINtB5_6EncodeuE6encodeB9_(i1
noundef zeroext %0, ptr noalias noundef align 8 dereferenceable(40) %1, ptr
noalias nocapture noundef nonnull readnone align 1 %2) unnamed_addr #2 !dbg
!20759 {
store i1 true, ptr poison, align 1
ret void, !dbg !20762
}
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D133036/new/
https://reviews.llvm.org/D133036
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