xref: /aosp_15_r20/external/llvm/test/Transforms/IndVarSimplify/iv-zext.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -indvars -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: and
3*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: zext
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workertarget datalayout = "p:64:64:64-n32:64"
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine void @foo(double* %d, i64 %n) nounwind {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker	br label %loop
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerloop:
12*9880d681SAndroid Build Coastguard Worker	%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %loop ]
13*9880d681SAndroid Build Coastguard Worker	%indvar.i8 = and i64 %indvar, 255
14*9880d681SAndroid Build Coastguard Worker	%t0 = getelementptr double, double* %d, i64 %indvar.i8
15*9880d681SAndroid Build Coastguard Worker	%t1 = load double, double* %t0
16*9880d681SAndroid Build Coastguard Worker	%t2 = fmul double %t1, 0.1
17*9880d681SAndroid Build Coastguard Worker	store double %t2, double* %t0
18*9880d681SAndroid Build Coastguard Worker	%indvar.i24 = and i64 %indvar, 16777215
19*9880d681SAndroid Build Coastguard Worker	%t3 = getelementptr double, double* %d, i64 %indvar.i24
20*9880d681SAndroid Build Coastguard Worker	%t4 = load double, double* %t3
21*9880d681SAndroid Build Coastguard Worker	%t5 = fmul double %t4, 2.3
22*9880d681SAndroid Build Coastguard Worker	store double %t5, double* %t3
23*9880d681SAndroid Build Coastguard Worker	%t6 = getelementptr double, double* %d, i64 %indvar
24*9880d681SAndroid Build Coastguard Worker	%t7 = load double, double* %t6
25*9880d681SAndroid Build Coastguard Worker	%t8 = fmul double %t7, 4.5
26*9880d681SAndroid Build Coastguard Worker	store double %t8, double* %t6
27*9880d681SAndroid Build Coastguard Worker	%indvar.next = add i64 %indvar, 1
28*9880d681SAndroid Build Coastguard Worker	%exitcond = icmp eq i64 %indvar.next, 10
29*9880d681SAndroid Build Coastguard Worker	br i1 %exitcond, label %return, label %loop
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerreturn:
32*9880d681SAndroid Build Coastguard Worker	ret void
33*9880d681SAndroid Build Coastguard Worker}
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