xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/2013-01-21-PR14992.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker;PR14492 - Tablegen incorrectly converts ARM tLDMIA_UPD pseudo to tLDMIA
2*9880d681SAndroid Build Coastguard Worker;RUN: llc -mtriple=thumbv7 < %s  | FileCheck -check-prefix=EXPECTED %s
3*9880d681SAndroid Build Coastguard Worker;RUN: llc -mtriple=thumbv7 < %s  | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker;EXPECTED-LABEL: foo:
6*9880d681SAndroid Build Coastguard Worker;CHECK-LABEL: foo:
7*9880d681SAndroid Build Coastguard Workerdefine i32 @foo(i32* %a) nounwind optsize {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %a, align 4
10*9880d681SAndroid Build Coastguard Worker  %arrayidx1 = getelementptr inbounds i32, i32* %a, i32 1
11*9880d681SAndroid Build Coastguard Worker  %1 = load i32, i32* %arrayidx1, align 4
12*9880d681SAndroid Build Coastguard Worker  %arrayidx2 = getelementptr inbounds i32, i32* %a, i32 2
13*9880d681SAndroid Build Coastguard Worker  %2 = load i32, i32* %arrayidx2, align 4
14*9880d681SAndroid Build Coastguard Worker  %add.ptr = getelementptr inbounds i32, i32* %a, i32 3
15*9880d681SAndroid Build Coastguard Worker;Make sure we do not have a duplicated register in the front of the reg list
16*9880d681SAndroid Build Coastguard Worker;EXPECTED:  ldm [[BASE:r[0-9]+]]!, {[[REG:r[0-9]+]], {{r[0-9]+}},
17*9880d681SAndroid Build Coastguard Worker;CHECK-NOT: ldm [[BASE:r[0-9]+]]!, {[[REG:r[0-9]+]], [[REG]],
18*9880d681SAndroid Build Coastguard Worker  tail call void @bar(i32* %add.ptr) nounwind optsize
19*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %1, %0
20*9880d681SAndroid Build Coastguard Worker  %add3 = add nsw i32 %add, %2
21*9880d681SAndroid Build Coastguard Worker  ret i32 %add3
22*9880d681SAndroid Build Coastguard Worker}
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerdeclare void @bar(i32*) optsize
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