xref: /aosp_15_r20/external/llvm/test/Transforms/GVN/pr10820.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workertarget datalayout =
4*9880d681SAndroid Build Coastguard Worker"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-f128:128:128-n8:16:32:64"
5*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Worker@g = external global i31
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine void @main() nounwind uwtable {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker; CHECK: store i32
12*9880d681SAndroid Build Coastguard Worker  store i32 402662078, i32* bitcast (i31* @g to i32*), align 8
13*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: load i31
14*9880d681SAndroid Build Coastguard Worker  %0 = load i31, i31* @g, align 8
15*9880d681SAndroid Build Coastguard Worker; CHECK: store i31
16*9880d681SAndroid Build Coastguard Worker  store i31 %0, i31* undef, align 1
17*9880d681SAndroid Build Coastguard Worker  unreachable
18*9880d681SAndroid Build Coastguard Worker}
19