xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/umul-with-carry.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86 | grep "jc" | count 1
2*9880d681SAndroid Build Coastguard Worker; XFAIL: *
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; FIXME: umul-with-overflow not supported yet.
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker@ok = internal constant [4 x i8] c"%d\0A\00"
7*9880d681SAndroid Build Coastguard Worker@no = internal constant [4 x i8] c"no\0A\00"
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine i1 @func(i32 %v1, i32 %v2) nounwind {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
12*9880d681SAndroid Build Coastguard Worker  %sum = extractvalue {i32, i1} %t, 0
13*9880d681SAndroid Build Coastguard Worker  %obit = extractvalue {i32, i1} %t, 1
14*9880d681SAndroid Build Coastguard Worker  br i1 %obit, label %carry, label %normal
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workernormal:
17*9880d681SAndroid Build Coastguard Worker  %t1 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind
18*9880d681SAndroid Build Coastguard Worker  ret i1 true
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workercarry:
21*9880d681SAndroid Build Coastguard Worker  %t2 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @no, i32 0, i32 0) ) nounwind
22*9880d681SAndroid Build Coastguard Worker  ret i1 false
23*9880d681SAndroid Build Coastguard Worker}
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerdeclare i32 @printf(i8*, ...) nounwind
26*9880d681SAndroid Build Coastguard Workerdeclare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32)
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