xref: /aosp_15_r20/external/llvm/test/Other/2007-09-10-PassManager.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-unswitch -indvars -disable-output
2*9880d681SAndroid Build Coastguard Worker; Require SCEV before LCSSA.
3*9880d681SAndroid Build Coastguard Workerdefine void @foo() {
4*9880d681SAndroid Build Coastguard Workerentry:
5*9880d681SAndroid Build Coastguard Worker	%i = alloca i32, align 4		; <i32*> [#uses=5]
6*9880d681SAndroid Build Coastguard Worker	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
7*9880d681SAndroid Build Coastguard Worker	store i32 0, i32* %i, align 4
8*9880d681SAndroid Build Coastguard Worker	br label %bb3
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerbb:		; preds = %bb3
11*9880d681SAndroid Build Coastguard Worker	%tmp = load i32, i32* %i, align 4		; <i32> [#uses=1]
12*9880d681SAndroid Build Coastguard Worker	call void @bar( i32 %tmp )
13*9880d681SAndroid Build Coastguard Worker	%tmp1 = load i32, i32* %i, align 4		; <i32> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker	%tmp2 = add i32 %tmp1, 1		; <i32> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker	store i32 %tmp2, i32* %i, align 4
16*9880d681SAndroid Build Coastguard Worker	br label %bb3
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerbb3:		; preds = %bb, %entry
19*9880d681SAndroid Build Coastguard Worker	%tmp4 = load i32, i32* %i, align 4		; <i32> [#uses=1]
20*9880d681SAndroid Build Coastguard Worker	%tmp5 = icmp sle i32 %tmp4, 9		; <i1> [#uses=1]
21*9880d681SAndroid Build Coastguard Worker	%tmp56 = zext i1 %tmp5 to i8		; <i8> [#uses=1]
22*9880d681SAndroid Build Coastguard Worker	%toBool = icmp ne i8 %tmp56, 0		; <i1> [#uses=1]
23*9880d681SAndroid Build Coastguard Worker	br i1 %toBool, label %bb, label %bb7
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerbb7:		; preds = %bb3
26*9880d681SAndroid Build Coastguard Worker	br label %return
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerreturn:		; preds = %bb7
29*9880d681SAndroid Build Coastguard Worker	ret void
30*9880d681SAndroid Build Coastguard Worker}
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Workerdeclare void @bar(i32)
33