xref: /aosp_15_r20/external/llvm/test/Analysis/BasicAA/2007-10-24-ArgumentsGlobals.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -gvn -dce -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker        %struct.A = type { i32 }
4*9880d681SAndroid Build Coastguard Worker        %struct.B = type { %struct.A }
5*9880d681SAndroid Build Coastguard Worker@a = global %struct.B zeroinitializer           ; <%struct.B*> [#uses=2]
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine i32 @_Z3fooP1A(%struct.A* %b) {
8*9880d681SAndroid Build Coastguard Worker; CHECK: %tmp7 = load
9*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32 %tmp7
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker        store i32 1, i32* getelementptr (%struct.B, %struct.B* @a, i32 0, i32 0, i32 0), align 8
12*9880d681SAndroid Build Coastguard Worker        %tmp4 = getelementptr %struct.A, %struct.A* %b, i32 0, i32 0               ;<i32*> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker        store i32 0, i32* %tmp4, align 4
14*9880d681SAndroid Build Coastguard Worker        %tmp7 = load i32, i32* getelementptr (%struct.B, %struct.B* @a, i32 0, i32 0, i32 0), align 8           ; <i32> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker        ret i32 %tmp7
16*9880d681SAndroid Build Coastguard Worker}
17