xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/2007-06-06-AshrSignBit.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | grep "ashr"
2*9880d681SAndroid Build Coastguard Worker; PR1499
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine void @av_cmp_q_cond_true(i32* %retval, i32* %tmp9, i64* %tmp10) {
5*9880d681SAndroid Build Coastguard WorkernewFuncRoot:
6*9880d681SAndroid Build Coastguard Worker	br label %cond_true
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerreturn.exitStub:		; preds = %cond_true
9*9880d681SAndroid Build Coastguard Worker	ret void
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workercond_true:		; preds = %newFuncRoot
12*9880d681SAndroid Build Coastguard Worker	%tmp30 = load i64, i64* %tmp10		; <i64> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker	%.cast = zext i32 63 to i64		; <i64> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker	%tmp31 = ashr i64 %tmp30, %.cast		; <i64> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker	%tmp3132 = trunc i64 %tmp31 to i32		; <i32> [#uses=1]
16*9880d681SAndroid Build Coastguard Worker	%tmp33 = or i32 %tmp3132, 1		; <i32> [#uses=1]
17*9880d681SAndroid Build Coastguard Worker	store i32 %tmp33, i32* %tmp9
18*9880d681SAndroid Build Coastguard Worker	%tmp34 = load i32, i32* %tmp9		; <i32> [#uses=1]
19*9880d681SAndroid Build Coastguard Worker	store i32 %tmp34, i32* %retval
20*9880d681SAndroid Build Coastguard Worker	br label %return.exitStub
21*9880d681SAndroid Build Coastguard Worker}
22*9880d681SAndroid Build Coastguard Worker
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