xref: /aosp_15_r20/external/llvm/test/Transforms/IndVarSimplify/casted-argument.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -indvars -disable-output
2*9880d681SAndroid Build Coastguard Worker; PR4009
3*9880d681SAndroid Build Coastguard Worker; PR4038
4*9880d681SAndroid Build Coastguard Worker
5*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-f80:32:32"
6*9880d681SAndroid Build Coastguard Workertarget triple = "i386-pc-linux-gnu"
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine void @safe_bcopy(i8* %to) nounwind {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker	%cmp11 = icmp ult i8* %to, null		; <i1> [#uses=1]
11*9880d681SAndroid Build Coastguard Worker	br i1 %cmp11, label %loop, label %return
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerreturn:		; preds = %entry
14*9880d681SAndroid Build Coastguard Worker	ret void
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerloop:		; preds = %loop, %if.else
17*9880d681SAndroid Build Coastguard Worker	%pn = phi i8* [ %ge, %loop ], [ null, %entry ]		; <i8*> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker	%cp = ptrtoint i8* %to to i32		; <i32> [#uses=1]
19*9880d681SAndroid Build Coastguard Worker	%su = sub i32 0, %cp		; <i32> [#uses=1]
20*9880d681SAndroid Build Coastguard Worker	%ge = getelementptr i8, i8* %pn, i32 %su		; <i8*> [#uses=2]
21*9880d681SAndroid Build Coastguard Worker	tail call void @bcopy(i8* %ge) nounwind
22*9880d681SAndroid Build Coastguard Worker	br label %loop
23*9880d681SAndroid Build Coastguard Worker}
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Workerdefine void @safe_bcopy_4038(i8* %from, i8* %to, i32 %size) nounwind {
26*9880d681SAndroid Build Coastguard Workerentry:
27*9880d681SAndroid Build Coastguard Worker	br i1 false, label %if.else, label %if.then12
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workerif.then12:		; preds = %entry
30*9880d681SAndroid Build Coastguard Worker	ret void
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Workerif.else:		; preds = %entry
33*9880d681SAndroid Build Coastguard Worker	%sub.ptr.rhs.cast40 = ptrtoint i8* %from to i32		; <i32> [#uses=1]
34*9880d681SAndroid Build Coastguard Worker	br label %if.end54
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerif.end54:		; preds = %if.end54, %if.else
37*9880d681SAndroid Build Coastguard Worker	%sub.ptr4912.pn = phi i8* [ %sub.ptr4912, %if.end54 ], [ null, %if.else ]		; <i8*> [#uses=1]
38*9880d681SAndroid Build Coastguard Worker	%sub.ptr7 = phi i8* [ %sub.ptr, %if.end54 ], [ null, %if.else ]		; <i8*> [#uses=2]
39*9880d681SAndroid Build Coastguard Worker	%sub.ptr.rhs.cast46.pn = ptrtoint i8* %from to i32		; <i32> [#uses=1]
40*9880d681SAndroid Build Coastguard Worker	%sub.ptr.lhs.cast45.pn = ptrtoint i8* %to to i32		; <i32> [#uses=1]
41*9880d681SAndroid Build Coastguard Worker	%sub.ptr.sub47.pn = sub i32 %sub.ptr.rhs.cast46.pn, %sub.ptr.lhs.cast45.pn		; <i32> [#uses=1]
42*9880d681SAndroid Build Coastguard Worker	%sub.ptr4912 = getelementptr i8, i8* %sub.ptr4912.pn, i32 %sub.ptr.sub47.pn		; <i8*> [#uses=2]
43*9880d681SAndroid Build Coastguard Worker	tail call void @bcopy_4038(i8* %sub.ptr4912, i8* %sub.ptr7, i32 0) nounwind
44*9880d681SAndroid Build Coastguard Worker	%sub.ptr = getelementptr i8, i8* %sub.ptr7, i32 %sub.ptr.rhs.cast40		; <i8*> [#uses=1]
45*9880d681SAndroid Build Coastguard Worker	br label %if.end54
46*9880d681SAndroid Build Coastguard Worker}
47*9880d681SAndroid Build Coastguard Worker
48*9880d681SAndroid Build Coastguard Workerdeclare void @bcopy(i8* nocapture) nounwind
49*9880d681SAndroid Build Coastguard Worker
50*9880d681SAndroid Build Coastguard Workerdeclare void @bcopy_4038(i8*, i8*, i32) nounwind
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