xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/2013-05-31-char-shift-crash.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O0 -mtriple=armv4t--linux-eabi-android
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O0 -mtriple=armv4t-unknown-linux
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O0 -mtriple=armv5-unknown-linux
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; See http://llvm.org/bugs/show_bug.cgi?id=16178
6*9880d681SAndroid Build Coastguard Worker; ARMFastISel used to fail emitting sext/zext in pre-ARMv6.
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind
9*9880d681SAndroid Build Coastguard Workerdefine arm_aapcscc void @f2(i8 signext %a) #0 {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  %a.addr = alloca i8, align 1
12*9880d681SAndroid Build Coastguard Worker  store i8 %a, i8* %a.addr, align 1
13*9880d681SAndroid Build Coastguard Worker  %0 = load i8, i8* %a.addr, align 1
14*9880d681SAndroid Build Coastguard Worker  %conv = sext i8 %0 to i32
15*9880d681SAndroid Build Coastguard Worker  %shr = ashr i32 %conv, 56
16*9880d681SAndroid Build Coastguard Worker  %conv1 = trunc i32 %shr to i8
17*9880d681SAndroid Build Coastguard Worker  call arm_aapcscc void @f1(i8 signext %conv1)
18*9880d681SAndroid Build Coastguard Worker  ret void
19*9880d681SAndroid Build Coastguard Worker}
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerdeclare arm_aapcscc void @f1(i8 signext) #1
22