xref: /aosp_15_r20/external/llvm/test/Transforms/IPConstantProp/global.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -S -passes=ipsccp | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -S -ipsccp | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker@_ZL6test1g = internal global i32 42, align 4
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine void @_Z7test1f1v() nounwind {
7*9880d681SAndroid Build Coastguard Workerentry:
8*9880d681SAndroid Build Coastguard Worker  %tmp = load i32, i32* @_ZL6test1g, align 4
9*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i32 %tmp, 0
10*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %if.then, label %if.end
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerif.then:                                          ; preds = %entry
13*9880d681SAndroid Build Coastguard Worker  store i32 0, i32* @_ZL6test1g, align 4
14*9880d681SAndroid Build Coastguard Worker  br label %if.end
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerif.end:                                           ; preds = %if.then, %entry
17*9880d681SAndroid Build Coastguard Worker  ret void
18*9880d681SAndroid Build Coastguard Worker}
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Worker; CHECK: @_Z7test1f2v()
21*9880d681SAndroid Build Coastguard Worker; CHECK: entry:
22*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 42
23*9880d681SAndroid Build Coastguard Workerdefine i32 @_Z7test1f2v() nounwind {
24*9880d681SAndroid Build Coastguard Workerentry:
25*9880d681SAndroid Build Coastguard Worker  %tmp = load i32, i32* @_ZL6test1g, align 4
26*9880d681SAndroid Build Coastguard Worker  ret i32 %tmp
27*9880d681SAndroid Build Coastguard Worker}
28