llvm/test/CodeGen/ARM/regpair_hint_phys.ll
Matthias Braun 67a2b82b14 ARM: Handle physreg targets in RegPair hints gracefully
Register coalescing can change the target of a RegPair hint to a
physreg, we should not crash on this. This also slightly improved the
way ARMBaseRegisterInfo::updateRegAllocHint() works.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233987 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-03 00:18:38 +00:00

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757 B
LLVM

; RUN: llc -o - %s
; ARM target used to fail an assertion if RegPair{Odd|Even} hint pointed to a
; physreg.
target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
target triple = "thumbv7-apple-tvos8.3.0"
declare i8* @llvm.frameaddress(i32) #1
declare i8* @llvm.returnaddress(i32) #1
@somevar = global [2 x i32] [i32 0, i32 0]
define void @__ubsan_handle_shift_out_of_bounds() #0 {
entry:
%0 = tail call i8* @llvm.frameaddress(i32 0)
%1 = ptrtoint i8* %0 to i32
%2 = tail call i8* @llvm.returnaddress(i32 0)
%3 = ptrtoint i8* %2 to i32
%val0 = insertvalue [2 x i32] [i32 undef, i32 undef], i32 %3, 0
%val1 = insertvalue [2 x i32] %val0, i32 %1, 1
store [2 x i32] %val1, [2 x i32]* @somevar, align 8
ret void
}