xref: /aosp_15_r20/external/llvm/test/Analysis/ScalarEvolution/sext-iv-2.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; CHECK: %tmp3 = sext i8 %tmp2 to i32
4*9880d681SAndroid Build Coastguard Worker; CHECK: -->  (sext i8 {0,+,1}<%bb1> to i32){{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: -1
5*9880d681SAndroid Build Coastguard Worker; CHECK: %tmp4 = mul i32 %tmp3, %i.02
6*9880d681SAndroid Build Coastguard Worker; CHECK: -->  ((sext i8 {0,+,1}<%bb1> to i32) * {0,+,1}<%bb>){{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: {0,+,-1}<%bb>
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; These sexts are not foldable.
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Worker@table = common global [32 x [256 x i32]] zeroinitializer, align 32		; <[32 x [256 x i32]]*> [#uses=2]
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerdefine i32 @main() nounwind {
15*9880d681SAndroid Build Coastguard Workerentry:
16*9880d681SAndroid Build Coastguard Worker	br i1 false, label %bb5, label %bb.nph3
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerbb.nph3:		; preds = %entry
19*9880d681SAndroid Build Coastguard Worker	br label %bb
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerbb:		; preds = %bb4, %bb.nph3
22*9880d681SAndroid Build Coastguard Worker	%i.02 = phi i32 [ %tmp10, %bb4 ], [ 0, %bb.nph3 ]		; <i32> [#uses=3]
23*9880d681SAndroid Build Coastguard Worker	br i1 false, label %bb3, label %bb.nph
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerbb.nph:		; preds = %bb
26*9880d681SAndroid Build Coastguard Worker	br label %bb1
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerbb1:		; preds = %bb2, %bb.nph
29*9880d681SAndroid Build Coastguard Worker	%j.01 = phi i32 [ %tmp8, %bb2 ], [ 0, %bb.nph ]		; <i32> [#uses=3]
30*9880d681SAndroid Build Coastguard Worker	%tmp2 = trunc i32 %j.01 to i8		; <i8> [#uses=1]
31*9880d681SAndroid Build Coastguard Worker	%tmp3 = sext i8 %tmp2 to i32		; <i32> [#uses=1]
32*9880d681SAndroid Build Coastguard Worker	%tmp4 = mul i32 %tmp3, %i.02		; <i32> [#uses=1]
33*9880d681SAndroid Build Coastguard Worker	%tmp5 = sext i32 %i.02 to i64		; <i64> [#uses=1]
34*9880d681SAndroid Build Coastguard Worker	%tmp6 = sext i32 %j.01 to i64		; <i64> [#uses=1]
35*9880d681SAndroid Build Coastguard Worker	%tmp7 = getelementptr [32 x [256 x i32]], [32 x [256 x i32]]* @table, i64 0, i64 %tmp5, i64 %tmp6		; <i32*> [#uses=1]
36*9880d681SAndroid Build Coastguard Worker	store i32 %tmp4, i32* %tmp7, align 4
37*9880d681SAndroid Build Coastguard Worker	%tmp8 = add i32 %j.01, 1		; <i32> [#uses=2]
38*9880d681SAndroid Build Coastguard Worker	br label %bb2
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard Workerbb2:		; preds = %bb1
41*9880d681SAndroid Build Coastguard Worker	%phitmp1 = icmp sgt i32 %tmp8, 255		; <i1> [#uses=1]
42*9880d681SAndroid Build Coastguard Worker	br i1 %phitmp1, label %bb2.bb3_crit_edge, label %bb1
43*9880d681SAndroid Build Coastguard Worker
44*9880d681SAndroid Build Coastguard Workerbb2.bb3_crit_edge:		; preds = %bb2
45*9880d681SAndroid Build Coastguard Worker	br label %bb3
46*9880d681SAndroid Build Coastguard Worker
47*9880d681SAndroid Build Coastguard Workerbb3:		; preds = %bb2.bb3_crit_edge, %bb
48*9880d681SAndroid Build Coastguard Worker	%tmp10 = add i32 %i.02, 1		; <i32> [#uses=2]
49*9880d681SAndroid Build Coastguard Worker	br label %bb4
50*9880d681SAndroid Build Coastguard Worker
51*9880d681SAndroid Build Coastguard Workerbb4:		; preds = %bb3
52*9880d681SAndroid Build Coastguard Worker	%phitmp = icmp sgt i32 %tmp10, 31		; <i1> [#uses=1]
53*9880d681SAndroid Build Coastguard Worker	br i1 %phitmp, label %bb4.bb5_crit_edge, label %bb
54*9880d681SAndroid Build Coastguard Worker
55*9880d681SAndroid Build Coastguard Workerbb4.bb5_crit_edge:		; preds = %bb4
56*9880d681SAndroid Build Coastguard Worker	br label %bb5
57*9880d681SAndroid Build Coastguard Worker
58*9880d681SAndroid Build Coastguard Workerbb5:		; preds = %bb4.bb5_crit_edge, %entry
59*9880d681SAndroid Build Coastguard Worker	%tmp12 = load i32, i32* getelementptr ([32 x [256 x i32]], [32 x [256 x i32]]* @table, i64 0, i64 9, i64 132), align 16		; <i32> [#uses=1]
60*9880d681SAndroid Build Coastguard Worker	%tmp13 = icmp eq i32 %tmp12, -1116		; <i1> [#uses=1]
61*9880d681SAndroid Build Coastguard Worker	br i1 %tmp13, label %bb7, label %bb6
62*9880d681SAndroid Build Coastguard Worker
63*9880d681SAndroid Build Coastguard Workerbb6:		; preds = %bb5
64*9880d681SAndroid Build Coastguard Worker	call void @abort() noreturn nounwind
65*9880d681SAndroid Build Coastguard Worker	unreachable
66*9880d681SAndroid Build Coastguard Worker
67*9880d681SAndroid Build Coastguard Workerbb7:		; preds = %bb5
68*9880d681SAndroid Build Coastguard Worker	br label %return
69*9880d681SAndroid Build Coastguard Worker
70*9880d681SAndroid Build Coastguard Workerreturn:		; preds = %bb7
71*9880d681SAndroid Build Coastguard Worker	ret i32 0
72*9880d681SAndroid Build Coastguard Worker}
73*9880d681SAndroid Build Coastguard Worker
74*9880d681SAndroid Build Coastguard Workerdeclare void @abort() noreturn nounwind
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