xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/Redundantstore.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -O3 -march=aarch64 < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4*9880d681SAndroid Build Coastguard Worker@end_of_array = common global i8* null, align 8
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test
7*9880d681SAndroid Build Coastguard Worker; CHECK: stur
8*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: stur
9*9880d681SAndroid Build Coastguard Workerdefine i8* @test(i32 %size) {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  %0 = load i8*, i8** @end_of_array, align 8
12*9880d681SAndroid Build Coastguard Worker  %conv = sext i32 %size to i64
13*9880d681SAndroid Build Coastguard Worker  %and = and i64 %conv, -8
14*9880d681SAndroid Build Coastguard Worker  %conv2 = trunc i64 %and to i32
15*9880d681SAndroid Build Coastguard Worker  %add.ptr.sum = add nsw i64 %and, -4
16*9880d681SAndroid Build Coastguard Worker  %add.ptr3 = getelementptr inbounds i8, i8* %0, i64 %add.ptr.sum
17*9880d681SAndroid Build Coastguard Worker  %size4 = bitcast i8* %add.ptr3 to i32*
18*9880d681SAndroid Build Coastguard Worker  store i32 %conv2, i32* %size4, align 4
19*9880d681SAndroid Build Coastguard Worker  %add.ptr.sum9 = add nsw i64 %and, -4
20*9880d681SAndroid Build Coastguard Worker  %add.ptr5 = getelementptr inbounds i8, i8* %0, i64 %add.ptr.sum9
21*9880d681SAndroid Build Coastguard Worker  %size6 = bitcast i8* %add.ptr5 to i32*
22*9880d681SAndroid Build Coastguard Worker  store i32 %conv2, i32* %size6, align 4
23*9880d681SAndroid Build Coastguard Worker  ret i8* %0
24*9880d681SAndroid Build Coastguard Worker}
25*9880d681SAndroid Build Coastguard Worker
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