xref: /aosp_15_r20/external/llvm/test/Analysis/BasicAA/byval.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
3*9880d681SAndroid Build Coastguard Workertarget triple = "i686-apple-darwin8"
4*9880d681SAndroid Build Coastguard Worker	%struct.x = type { i32, i32, i32, i32 }
5*9880d681SAndroid Build Coastguard Worker@g = weak global i32 0		; <i32*> [#uses=1]
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine i32 @foo(%struct.x* byval  %a) nounwind  {
8*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32 1
9*9880d681SAndroid Build Coastguard Worker  %tmp1 = tail call i32 (...) @bar( %struct.x* %a ) nounwind 		; <i32> [#uses=0]
10*9880d681SAndroid Build Coastguard Worker  %tmp2 = getelementptr %struct.x, %struct.x* %a, i32 0, i32 0		; <i32*> [#uses=2]
11*9880d681SAndroid Build Coastguard Worker  store i32 1, i32* %tmp2, align 4
12*9880d681SAndroid Build Coastguard Worker  store i32 2, i32* @g, align 4
13*9880d681SAndroid Build Coastguard Worker  %tmp4 = load i32, i32* %tmp2, align 4		; <i32> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker  ret i32 %tmp4
15*9880d681SAndroid Build Coastguard Worker}
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerdeclare i32 @bar(...)
18*9880d681SAndroid Build Coastguard Worker
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