xref: /aosp_15_r20/external/llvm/test/Transforms/SimplifyCFG/PHINode.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; -simplifycfg is not folding blocks if there is a PHI node involved.  This
2*9880d681SAndroid Build Coastguard Worker; should be fixed eventually
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -simplifycfg -S | FileCheck %s
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine i32 @main(i32 %argc) {
7*9880d681SAndroid Build Coastguard Worker; <label>:0
8*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: br label %InlinedFunctionReturnNode
9*9880d681SAndroid Build Coastguard Worker	br label %InlinedFunctionReturnNode
10*9880d681SAndroid Build Coastguard WorkerInlinedFunctionReturnNode:		; preds = %0
11*9880d681SAndroid Build Coastguard Worker	%X = phi i32 [ 7, %0 ]		; <i32> [#uses=1]
12*9880d681SAndroid Build Coastguard Worker	%Y = add i32 %X, %argc		; <i32> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker	ret i32 %Y
14*9880d681SAndroid Build Coastguard Worker}
15*9880d681SAndroid Build Coastguard Worker
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