xref: /aosp_15_r20/external/llvm/test/Analysis/BasicAA/2007-08-05-GetOverloadedModRef.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -gvn -instcombine -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; PR1600
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdeclare i16 @llvm.cttz.i16(i16, i1)
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine i32 @test(i32* %P, i16* %Q) {
7*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32 0
8*9880d681SAndroid Build Coastguard Worker        %A = load i16, i16* %Q               ; <i16> [#uses=1]
9*9880d681SAndroid Build Coastguard Worker        %x = load i32, i32* %P               ; <i32> [#uses=1]
10*9880d681SAndroid Build Coastguard Worker        %B = call i16 @llvm.cttz.i16( i16 %A, i1 true )          ; <i16> [#uses=1]
11*9880d681SAndroid Build Coastguard Worker        %y = load i32, i32* %P               ; <i32> [#uses=1]
12*9880d681SAndroid Build Coastguard Worker        store i16 %B, i16* %Q
13*9880d681SAndroid Build Coastguard Worker        %z = sub i32 %x, %y             ; <i32> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker        ret i32 %z
15*9880d681SAndroid Build Coastguard Worker}
16*9880d681SAndroid Build Coastguard Worker
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