xref: /aosp_15_r20/external/llvm/test/Transforms/LoopRotate/nosimplifylatch.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S < %s -loop-rotate -licm -verify-dom-info -verify-loop-info | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
3*9880d681SAndroid Build Coastguard Workertarget triple = "arm64-apple-ios8.0.0"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker;CHECK: for.inc:
6*9880d681SAndroid Build Coastguard Worker;CHECK-NEXT: %incdec.ptr.i = getelementptr
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; Function Attrs: alwaysinline inlinehint nounwind readonly ssp
9*9880d681SAndroid Build Coastguard Workerdefine linkonce_odr hidden i64 @_ZNSt3__14findINS_11__wrap_iterIPiEEiEET_S4_S4_RKT0_(i64 %__first.coerce, i64 %__last.coerce, i32* nocapture readonly dereferenceable(4) %__value_) {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  %coerce.val.ip = inttoptr i64 %__first.coerce to i32*
12*9880d681SAndroid Build Coastguard Worker  %coerce.val.ip2 = inttoptr i64 %__last.coerce to i32*
13*9880d681SAndroid Build Coastguard Worker  br label %for.cond
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerfor.cond:                                         ; preds = %for.inc, %entry
16*9880d681SAndroid Build Coastguard Worker  %coerce.val.ip9 = phi i32* [ %incdec.ptr.i, %for.inc ], [ %coerce.val.ip, %entry ]
17*9880d681SAndroid Build Coastguard Worker  %lnot.i = icmp eq i32* %coerce.val.ip9, %coerce.val.ip2
18*9880d681SAndroid Build Coastguard Worker  br i1 %lnot.i, label %for.end, label %for.body
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerfor.body:                                         ; preds = %for.cond
21*9880d681SAndroid Build Coastguard Worker  %0 = load i32, i32* %coerce.val.ip9, align 4
22*9880d681SAndroid Build Coastguard Worker  %1 = load i32, i32* %__value_, align 4
23*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i32 %0, %1
24*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %for.end, label %for.inc
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Workerfor.inc:                                          ; preds = %for.body
27*9880d681SAndroid Build Coastguard Worker  %incdec.ptr.i = getelementptr inbounds i32, i32* %coerce.val.ip9, i64 1
28*9880d681SAndroid Build Coastguard Worker  br label %for.cond
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workerfor.end:                                          ; preds = %for.cond, %for.body
31*9880d681SAndroid Build Coastguard Worker  %coerce.val.ip9.lcssa = phi i32* [ %coerce.val.ip9, %for.cond ], [ %coerce.val.ip9, %for.body ]
32*9880d681SAndroid Build Coastguard Worker  %coerce.val.pi = ptrtoint i32* %coerce.val.ip9.lcssa to i64
33*9880d681SAndroid Build Coastguard Worker  ret i64 %coerce.val.pi
34*9880d681SAndroid Build Coastguard Worker}
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