xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/umul-with-overflow.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdeclare {i32, i1} @llvm.umul.with.overflow.i32(i32 %a, i32 %b)
4*9880d681SAndroid Build Coastguard Workerdefine zeroext i1 @a(i32 %x)  nounwind {
5*9880d681SAndroid Build Coastguard Worker  %res = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 3)
6*9880d681SAndroid Build Coastguard Worker  %obil = extractvalue {i32, i1} %res, 1
7*9880d681SAndroid Build Coastguard Worker  ret i1 %obil
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: a:
10*9880d681SAndroid Build Coastguard Worker; CHECK: mull
11*9880d681SAndroid Build Coastguard Worker; CHECK: seto %al
12*9880d681SAndroid Build Coastguard Worker; CHECK: ret
13*9880d681SAndroid Build Coastguard Worker}
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i32 %a, i32 %b) nounwind readnone {
16*9880d681SAndroid Build Coastguard Workerentry:
17*9880d681SAndroid Build Coastguard Worker	%tmp0 = add i32 %b, %a
18*9880d681SAndroid Build Coastguard Worker	%tmp1 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %tmp0, i32 2)
19*9880d681SAndroid Build Coastguard Worker	%tmp2 = extractvalue { i32, i1 } %tmp1, 0
20*9880d681SAndroid Build Coastguard Worker	ret i32 %tmp2
21*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test2:
22*9880d681SAndroid Build Coastguard Worker; CHECK: addl
23*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: addl
24*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
25*9880d681SAndroid Build Coastguard Worker}
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerdefine i32 @test3(i32 %a, i32 %b) nounwind readnone {
28*9880d681SAndroid Build Coastguard Workerentry:
29*9880d681SAndroid Build Coastguard Worker	%tmp0 = add i32 %b, %a
30*9880d681SAndroid Build Coastguard Worker	%tmp1 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %tmp0, i32 4)
31*9880d681SAndroid Build Coastguard Worker	%tmp2 = extractvalue { i32, i1 } %tmp1, 0
32*9880d681SAndroid Build Coastguard Worker	ret i32 %tmp2
33*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test3:
34*9880d681SAndroid Build Coastguard Worker; CHECK: addl
35*9880d681SAndroid Build Coastguard Worker; CHECK: mull
36*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
37*9880d681SAndroid Build Coastguard Worker}
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