linux-packaging-mono/external/llvm/test/CodeGen/ARM/2011-09-28-CMovCombineBug.ll
Xamarin Public Jenkins (auto-signing) 64ac736ec5 Imported Upstream version 6.0.0.172
Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
2019-04-12 14:10:50 +00:00

31 lines
727 B
LLVM

; RUN: llc -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 < %s
; rdar://10196296
; ARM target specific dag combine created a cycle in DAG.
define void @t() nounwind ssp {
%1 = load i64, i64* undef, align 4
%2 = shl i32 5, 0
%3 = zext i32 %2 to i64
%4 = and i64 %1, %3
%5 = lshr i64 %4, undef
switch i64 %5, label %8 [
i64 0, label %9
i64 1, label %6
i64 4, label %9
i64 5, label %7
]
; <label>:6 ; preds = %0
unreachable
; <label>:7 ; preds = %0
unreachable
; <label>:8 ; preds = %0
unreachable
; <label>:9 ; preds = %0, %0
ret void
}