DavidSpickett added a comment.
The failing test line is:
// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -O1 -fopenmp-simd
-emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK10
It passes if you have the X86 backend enabled but fails if you do not. Our bots
usually have only Arm or AArch64 enabled.
When you have the X86 backend:
; Function Attrs: nofree norecurse nosync nounwind mustprogress
define void @_Z14static_chunkedPfS_S_S_(float* nocapture %a, float* nocapture
readonly %b, float* nocapture readonly %c, float* nocapture readonly %d)
local_unnamed_addr #1 {
entry:
%arrayidx.0 = getelementptr inbounds float, float* %b, i64 131071
%arrayidx2.0 = getelementptr inbounds float, float* %c, i64 131071
%arrayidx4.0 = getelementptr inbounds float, float* %d, i64 131071
%arrayidx7.0 = getelementptr inbounds float, float* %a, i64 131071
%indvars.iv.next.0 = add nuw nsw i64 131071, 127
br label %for.body
for.cond.cleanup: ; preds = %for.body
ret void
When you don't:
; Function Attrs: nofree norecurse nosync nounwind mustprogress
define void @_Z14static_chunkedPfS_S_S_(float* nocapture %a, float* nocapture
readonly %b, float* nocapture readonly %c, float* nocapture readonly %d)
local_unnamed_addr #1 {
entry:
br label %for.body
for.cond.cleanup: ; preds = %for.body
ret void
This is one of a few differences, I'll see if I can post a diff in a way that
makes sense to read.
Either way this seems like a bug given that clang usually doesn't require the
llvm backend for a particular target. (which is why things like the target
parser are always enabled) But I'm new to OpenMP so please correct me if not.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D101849/new/
https://reviews.llvm.org/D101849
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