xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/2008-01-29-AddICmp.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | not grep "a.off"
2*9880d681SAndroid Build Coastguard Worker; PR1949
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine i1 @test1(i32 %a) {
5*9880d681SAndroid Build Coastguard Worker  %a.off = add i32 %a, 4          ; <i32> [#uses=1]
6*9880d681SAndroid Build Coastguard Worker  %C = icmp ult i32 %a.off, 4             ; <i1> [#uses=1]
7*9880d681SAndroid Build Coastguard Worker  ret i1 %C
8*9880d681SAndroid Build Coastguard Worker}
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine i1 @test2(i32 %a) {
11*9880d681SAndroid Build Coastguard Worker  %a.off = sub i32 %a, 4          ; <i32> [#uses=1]
12*9880d681SAndroid Build Coastguard Worker  %C = icmp ugt i32 %a.off, -5             ; <i1> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker  ret i1 %C
14*9880d681SAndroid Build Coastguard Worker}
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerdefine i1 @test3(i32 %a) {
17*9880d681SAndroid Build Coastguard Worker  %a.off = add i32 %a, 4          ; <i32> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker  %C = icmp slt i32 %a.off, 2147483652             ; <i1> [#uses=1]
19*9880d681SAndroid Build Coastguard Worker  ret i1 %C
20*9880d681SAndroid Build Coastguard Worker}
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