xref: /aosp_15_r20/external/llvm/test/Transforms/SROA/pr26972.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -sroa -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
3*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-pc-linux"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; Make sure we properly handle allocas where the allocated
6*9880d681SAndroid Build Coastguard Worker; size overflows a uint32_t. This specific constant results in
7*9880d681SAndroid Build Coastguard Worker; the size in bits being 32 after truncation to a 32-bit int.
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: fn1
9*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret void
10*9880d681SAndroid Build Coastguard Workerdefine void @fn1() {
11*9880d681SAndroid Build Coastguard Worker  %a = alloca [1073741825 x i32], align 16
12*9880d681SAndroid Build Coastguard Worker  %t0 = bitcast [1073741825 x i32]* %a to i8*
13*9880d681SAndroid Build Coastguard Worker  call void @llvm.lifetime.end(i64 4294967300, i8* %t0)
14*9880d681SAndroid Build Coastguard Worker  ret void
15*9880d681SAndroid Build Coastguard Worker}
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.lifetime.end(i64, i8* nocapture)
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