xref: /aosp_15_r20/external/llvm/test/CodeGen/Mips/Fast-ISel/mul1.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=mipsel -mcpu=mips32 -O0 -relocation-model=pic
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -O0 -relocation-model=pic
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; The test is just to make sure it is able to allocate
5*9880d681SAndroid Build Coastguard Worker; registers for this example. There was an issue with allocating AC0
6*9880d681SAndroid Build Coastguard Worker; after a mul instruction.
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdeclare { i32, i1 } @llvm.smul.with.overflow.i32(i32, i32)
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine i32 @foo(i32 %a, i32 %b)  {
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker  %0 = mul i32 %a, %b
13*9880d681SAndroid Build Coastguard Worker  %1 = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 %0, i32 %b)
14*9880d681SAndroid Build Coastguard Worker  %2 = extractvalue { i32, i1 } %1, 0
15*9880d681SAndroid Build Coastguard Worker  ret i32 %2
16*9880d681SAndroid Build Coastguard Worker}
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