fhahn added a comment.
It looks like GISel crashes when building `llvm-test-suite` with -O3 on ARM64.
If it isn't trivial to fix we should probably revert the patch to bring things
back to green.
Reproducer:
; llc -global-isel -O3
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-macosx"
define void @widget(ptr %arg, i1 %arg1) {
bb:
br i1 %arg1, label %bb2, label %bb3
bb2: ; preds = %bb
%tmp = icmp slt i32 0, 0
br i1 %tmp, label %bb3, label %bb9
bb3: ; preds = %bb2, %bb
%tmp4 = phi i32 [ 1, %bb ], [ 0, %bb2 ]
%tmp5 = zext i32 %tmp4 to i64
br label %bb6
bb6: ; preds = %bb6, %bb3
%tmp7 = getelementptr i32, ptr %arg, i64 %tmp5
%tmp8 = getelementptr i32, ptr %tmp7, i64 4
store <4 x i32> zeroinitializer, ptr %tmp8, align 4
br label %bb6
bb9: ; preds = %bb2
ret void
}
https://llvm.godbolt.org/z/d5oTWxvaG
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D137269/new/
https://reviews.llvm.org/D137269
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